Siste episoder av Circuit Break - A MacroFab Podcast podcast

1. EP#443: Conductive Cuisine09.08.2024 (00:46:06)

   In this episode of Circuit Break, Parker Dillmann and Stephen Kraig delve into the fascinating and somewhat humorous topic of hot dog conductivity. They explore an in-depth study conducted by Seth Jenkins, Neil LaTourette, and Brendan Liverman on how boiling time affects hot dog conductivity. The hosts also discuss the historical Presto Hot Dogger, community experiments involving hot dogs, and various methods of cooking hot dogs, all while interspersing their own anecdotes and insights. This episode is a blend of scientific curiosity and light-hearted banter, making for an entertaining listen.Key Discussion Points:Introduction to hot dog conductivity and its surprising properties.Shout out to Seth Jenkins, Neil LaTourette, and Brendan Liverman for their 2007 study on hot dog conductivity.Historical gadget: The Presto Hot Dogger and its mechanism.BigCliveDotCom's high-voltage experiment with the Presto Hot Dogger.The Thought Emporium's thermite-based "Instant Hot Dog" device.Methodology of Jenkins, LaTourette, and Liverman's experiment on hot dog conductivity.Scientific explanation of why boiled hot dogs conduct electricity.Results and observations: Boiling time and its effect on conductivity.Engineering curiosities and implications for food safety and electrical experimentation.Personal anecdotes and nostalgia related to hot dog preparation.Various methods of cooking hot dogs: boiling, grilling, pan-frying, and the Presto Hot Dogger.Community debate on the best way to cook hot dogs.Relevant Links:Conductivity of Hot Dogs ExperimentBigCliveDotCom's High-Voltage Presto Hot Dogger ExperimentThe Thought Emporium’s Instant Hot Dog VideoInstructables: What's the Cost to Cook a Hot Dog?National Hot Dog and Sausage CouncilCommunity Questions:What is your favorite method of cooking hot dogs and why?Have you ever experimented with unconventional ways of cooking food? Share your experiences!What are your thoughts on using hot dogs as conductors in electrical experiments?MacroFab:This show is brought to you by MacroFab, which provides a platform for electronics manufacturing services (EMS), hardware development, designing, and prototyping for individuals, startups, and businesses. Key MacroFab services include PCB (Printed Circuit Board) fabrication, assembly, and testing. Customers can use MacroFab's platform to upload their PCB designs, select components, and specify manufacturing requirements.We Want to Hear From You!Subscribe to Circuit Break wherever you get your podcasts! And join our online discussion hub at forum.macrofab.com to keep the conversation going with electrical engineering experts and experimenters! You can also email us at podcast@macrofab.com.

2. EP#442: Wanting To Be A Wizard - Matt Brown02.08.2024 (00:56:28)

   In this episode of Circuit Break, Parker Dillmann and Stephen Kraig are joined by Matt Brown, an inventive engineer and YouTube content creator renowned for his electrifying DIY projects and creative automotive builds. The trio delves into the concept of "good enough engineering," where Matt shares insights from his career, including his experiences working at Tesla and on various personal projects like the land speed car and the off-road Viper. The discussion also covers the challenges of engineering in unpredictable environments, the balance between planning and improvisation, and the joy of creating new things.Key Discussion Points:Introduction of Matt Brown and his YouTube channel SuperfastMattThe concept of "good enough engineering" and its applicationMatt's background in engineering and his career journeyExamples of "good enough engineering" in Matt's projectsThe importance of intuition and experience in engineering decisionsThe challenges of off-road vehicle engineering compared to aerospaceBalancing multiple large projects and knowing when a project is "done"The appeal of starting new projects versus finishing existing onesMatt's thoughts on building an airplane and the associated challengesDiscussion on CNC machines and 3D printers in DIY projectsThe difference between real engineering and good enough engineeringThe importance of planning and iterative testing in engineeringThe role of community and feedback in the engineering processRelevant Links:SuperfastMatt YouTube ChannelMatt Brown on InstagramCommunity Questions:What are your thoughts on the concept of "good enough engineering"?How do you balance planning and improvisation in your projects?Have you ever started a project and found it challenging to finish? How did you handle it?MacroFab:This show is brought to you by MacroFab, which provides a platform for electronics manufacturing services (EMS), hardware development, designing and prototyping for individuals, startups, and businesses. Key MacroFab services include PCB (Printed Circuit Board) fabrication, assembly, and testing. Customers can use MacroFab's platform to upload their PCB designs, select components, and specify manufacturing requirements.We Want to Hear From You!Subscribe to Circuit Break wherever you get your podcasts! And join our online discussion hub at forum.macrofab.com to keep the conversation going with electrical engineering experts and experimenters! You can also email us at podcast@macrofab.com.

3. EP#441: Exploring the Arctic Through Art and Technology with Cy Keener26.07.2024 (01:04:16)

   In this episode, Parker Dillmann and Stephen Kraig chat with Cy Keener, an interdisciplinary artist who merges art and technology to document and visualize the natural world. Cy discusses his journey from architecture to creating custom instruments and sensors for scientific research in the Arctic. He explains how his work helps visualize complex phenomena like sea ice and ocean waves, and shares insights into his collaboration with scientists. Cy also delves into the engineering challenges of building durable sensors for extreme environments and the artistic process of transforming raw data into compelling visual art.Key Discussion Points:Cy Keener's background in architecture and transition to art and technology.The process of designing custom instruments and sensors for Arctic research.Challenges of creating durable electronics for extreme environments.Collaboration with scientists to document and visualize sea ice and icebergs.The artistic process of transforming scientific data into visual art.The significance of art in making scientific data accessible and engaging.The role of broader impacts in National Science Foundation funding.The evolution of Cy's sensor designs from Arduino-based prototypes to advanced devices.The use of different materials and technologies for creating resilient enclosures.Insights into the conservation of electronic art for future generations.Examples of Cy's art installations and exhibitions showcasing Arctic data.The importance of merging empirical data with experiential art.Relevant Links:Cy Keener's portfolio: cykeener.comNational Science Foundation: nsf.govMake Magazine article on Arduino and Iridium satellite modem: Make MagazineParticle devices: Particle.ioCommunity Questions:What are your thoughts on the intersection of art and technology in scientific research?How do you think visual art can help make complex scientific data more accessible?What other natural phenomena would you like to see visualized through art and technology?MacroFab:This show is brought to you by MacroFab, which provides a platform for electronics manufacturing services (EMS), hardware development, designing, and prototyping for individuals, startups, and businesses. Key MacroFab services include PCB (Printed Circuit Board) fabrication, assembly, and testing. Customers can use MacroFab's platform to upload their PCB designs, select components, and specify manufacturing requirements.We Want to Hear From You!Subscribe to Circuit Break wherever you get your podcasts! And join our online discussion hub at forum.macrofab.com to keep the conversation going with electrical engineering experts and experimenters! You can also email us at podcast@macrofab.com.

4. EP#440: HMLV - High Mix Low Volume19.07.2024 (01:23:22)

   In this episode of Circuit Break, Parker Dillmann and Stephen Kraig dive deep into the concept of HMLV (High Mix Low Volume) PCB manufacturing. They discuss the challenges and advantages of HMLV, contrasting it with high volume manufacturing methods used by giants like Apple and Foxconn. They also share personal project updates, including Parker's PWM fan controller and Stephen's work on LED matrix driving. The episode wraps up with insights into MacroFab's latest platform updates and the creation of an ultimate glossary of electronics and PCBA terms.Key Discussion Points:Introduction to HMLV: What does High Mix Low Volume mean?Differences between HMLV and high volume manufacturing.Flexibility and specialized equipment required for HMLV.The importance of a skilled workforce in HMLV environments.Personal project updates: Cyclone Pulse Wrangler and LED Matrix driving.The significance of proper inventory management in HMLV.Insights into MacroFab’s platform updates and their new glossary of electronics terms.Real-world examples of companies utilizing HMLV in their manufacturing processes.The role of HMLV in prototyping and early design cycles.Discussion on the transition points between low volume and high volume production.Challenges faced with parts handling in HMLV.The necessity of adaptability in both workforce and equipment for HMLV.Parker’s PWM fan controller circuit review and schematic discussion.The impact of battery voltage on digital inputs in automotive systems.Analog inputs and thermistor readings for temperature measurements.Push-pull current drivers and the need for logic gates to prevent run-through situations.Relevant Links:MacroFab Platform UpdatesUltimate Glossary of Electronics & PCBA TermsCyclone Pulse WranglerCommunity Questions:What are your thoughts on HMLV manufacturing? Have you encountered any specific challenges or advantages in your projects?How do you manage inventory in a high mix low volume production environment?What strategies do you use to transition from low volume prototyping to higher volume manufacturing?Have you implemented any interesting circuits or solutions in your personal projects? Share your experiences!MacroFab:This show is brought to you by MacroFab, which provides a platform for electronics manufacturing services (EMS), hardware development, designing and prototyping for individuals, startups, and businesses. Key MacroFab services include PCB (Printed Circuit Board) fabrication, assembly, and testing. Customers can use MacroFab's platform to upload their PCB designs, select components, and specify manufacturing requirements.We Want to Hear From You!Subscribe to Circuit Break wherever you get your podcasts! And join our online discussion hub at forum.macrofab.com to keep the conversation going with electrical engineering experts and experimenters! You can also email us at podcast@macrofab.com.

5. EP#439: The Nuts and Bolts of Quantum Computing - Rick Altherr12.07.2024 (01:08:44)

   In this episode of Circuit Break, hosts Parker Dillmann and Stephen Kraig welcome Rick Altherr, a full stack engineer, to discuss the intricacies of quantum computing. Rick shares insights into the working of quantum processors, particularly the trapped ion approach used by IonQ, and delves into the technical challenges and potential future applications of quantum computing. The conversation covers the practicalities of building quantum computers, the nature of quantum algorithms, and the current limitations that keep quantum computing in the R&D phase.Key Discussion Points:Introduction to Rick Altherr and his background in quantum computing at IonQ.Explanation of the trapped ion approach and its components like RF, lasers, and cryostats.The process of capturing and manipulating qubits in a quantum computer.The role of control theory in regulating trapped ions and performing quantum operations.The coherence time and its impact on quantum computations.Challenges in scaling up quantum computers and achieving practical applications.Comparison between trapped ion and superconducting quantum computers.The importance of laser cooling in maintaining the stability of qubits.The current state of quantum algorithms and their limited practical use.The concept of quantum advantage and commercial viability.Future prospects and the timeline for quantum computing becoming mainstream.Rick's insights on working remotely on such advanced technology.The role of simulations and empirical data in quantum computer calibration.Relevant Links:Rick's Mastodon ProfileCalendly for Rick's Mentoring and Resume ReviewQuantum CountryBloch Sphere - WikipediaCommunity Questions:What are your thoughts on the potential of quantum computing in your field of work?How do you see the impact of quantum computing advancements in the next decade?What are some practical applications you envision for quantum computing in everyday life?MacroFab:This show is brought to you by MacroFab, which provides a platform for electronics manufacturing services (EMS), hardware development, designing, and prototyping for individuals, startups, and businesses. Key MacroFab services include PCB (Printed Circuit Board) fabrication, assembly, and testing. Customers can use MacroFab's platform to upload their PCB designs, select components, and specify manufacturing requirements.We Want to Hear From You!Subscribe to Circuit Break wherever you get your podcasts! And join our online discussion hub at forum.macrofab.com to keep the conversation going with electrical engineering experts and experimenters! You can also email us at podcast@macrofab.com.

6. EP#438: Solder Slugs05.07.2024 (01:00:43)

   In this episode of Circuit Break, hosts Parker Dillmann and Stephen Kraig dive into the nuances of working with contract manufacturers, specifically focusing on the responsibilities of both the designer and the manufacturer. They discuss critical topics such as reflow profiles, solder specifications, parts washing, and the benefits of allowing your CM to handle PCB panelization. Parker also shares updates on his personal project, the PropFan controller, detailing its features and the challenges faced during its development.Key Discussion Points:What information can you assume your CM will handle?Reflow profile considerationsSolder specifications and BGAsParts washing requirementsPanelizing PCBs: Why it's best left to your CMPersonal Project Updates: PropFan controllerSwitching to a SamD21 MCU for the PropFanUsing the LT8672 for circuit protectionDetails on the Crystal Fontz CFA533-TFH-KC displayImplementing I2C to differential pair conversion with PCA9615Using Ethernet to connect the display and PWM controllerExploring current sensing for fan controlPotential features and future expansions for the PropFanChallenges with GPS speed control and automotive applicationsImportance of proper connector and enclosure selection for automotive electronicsRelevant Links:Top 10 Episodes for Electronic EngineersComprehensive Power Supply System Designs for Harsh Automotive EnvironmentsCommunity Questions:What are your thoughts on allowing your CM to handle PCB panelization?Have you ever encountered unique reflow profile requirements for specific components in your designs?What features would you like to see in an open-source automotive fan controller?MacroFab:This show is brought to you by MacroFab, which provides a platform for electronics manufacturing services (EMS), hardware development, designing and prototyping for individuals, startups, and businesses. Key MacroFab services include PCB (Printed Circuit Board) fabrication, assembly, and testing. Customers can use MacroFab's platform to upload their PCB designs, select components, and specify manufacturing requirements.We Want to Hear From You!Subscribe to Circuit Break wherever you get your podcasts! And join our online discussion hub at forum.macrofab.com to keep the conversation going with electrical engineering experts and experimenters! You can also email us at podcast@macrofab.com.

7. EP#437: Embarrassingly Parallel Computing - Steve Furber28.06.2024 (00:52:57)

   In this episode of Circuit Break, hosts Parker Dillmann and Stephen Kraig interview Steve Furber, Professor Emeritus of Computer Engineering at the University of Manchester. They discuss his early career at Acorn Computers, the development of the BBC Micro and the ARM processor, and his work on the SpiNNaker project, which models brain functions using a million ARM processors. Furber shares insights into the challenges and successes of these projects and provides advice for aspiring engineers.Key Discussion Points:Steve Furber's early career at Acorn ComputersDevelopment of the BBC MicrocomputerChallenges faced in early computer developmentDesign philosophy behind the ARM processorARM's widespread adoption and current export restrictionsThe SpiNNaker project and its applicationsEvolution of neuromorphic computing and AIPersonal interests and hobbies, including playing bass guitarAdvice for aspiring engineers and future computing technologiesHypothetical career scenarios and advice to his younger selfRelevant Links:Steve Furber WikipediaSteve Furber's Profile at Manchester UniversitySignetics 2650Fruit MachineBBC MicrocomputerSpiNNaker ProjectCommunity Questions:What are your thoughts on the evolution of the ARM processor from its inception to its current applications?What advice would you give to young engineers interested in computer engineering today?MacroFab:This show is brought to you by MacroFab, which provides a platform for electronics manufacturing services (EMS), hardware development, designing and prototyping for individuals, startups, and businesses. Key MacroFab services include PCB (Printed Circuit Board) fabrication, assembly, and testing. Customers can use MacroFab's platform to upload their PCB designs, select components, and specify manufacturing requirements.We Want to Hear From You!Subscribe to Circuit Break wherever you get your podcasts! And join our online discussion hub at forum.macrofab.com to keep the conversation going with electrical engineering experts and experimenters! You can also email us at podcast@macrofab.com.

8. EP#436: International Women in Engineering Day with Kaylan Smith and Laura Manley21.06.2024 (01:04:48)

   In this special episode celebrating International Women in Engineering Day, hosts Parker Dillmann and Stephen Kraig are joined by Kaylan Smith, Lead Software Developer for Supply Chain and Finance at MacroFab, and Laura Manley, Product Manager for Marketplace & Factory Experience at MacroFab. They discuss their journeys into engineering, challenges faced, and the importance of diversity and inclusion in the field. The episode highlights personal stories, experiences, and insights into how they navigated their careers and the future of women in engineering.News/Announcements:June 23rd is International Women in Engineering Day.Kaylan and Laura share their professional journeys and roles at MacroFab.Discussion on the importance of diversity and inclusion in engineering.Key Discussion Points:Kaylan and Laura’s educational backgrounds and paths to MacroFab.The impact of role models and mentorship in their careers.Challenges faced by women in engineering and how they overcame them.The importance of diversity and inclusion in the engineering sector.The role of product management and the shift from design to management.The differences in work culture and expectations in creative fields vs. engineering fields.The importance of process and validation in engineering work.Experiences with implicit biases and the need for more diverse role models in technology.The significance of having a supportive and inclusive work environment.Future trends and opportunities for women in engineering.Advice for young women aspiring to enter the engineering field.Relevant Links:AnitaB.org: A global organization supporting women in technology.Community Questions:What are your thoughts on the role of diversity and inclusion in engineering?How have role models or mentors influenced your career path?What challenges have you faced in your engineering journey and how did you overcome them?How do you see the future of women in engineering evolving?MacroFab:This show is brought to you by MacroFab, which provides a platform for electronics manufacturing services (EMS), hardware development, designing and prototyping for individuals, startups, and businesses. Key MacroFab services include PCB (Printed Circuit Board) fabrication, assembly, and testing. Customers can use MacroFab's platform to upload their PCB designs, select components, and specify manufacturing requirements.We Want to Hear From You!Subscribe to Circuit Break wherever you get your podcasts! And join our online discussion hub at forum.macrofab.com to keep the conversation going with electrical engineering experts and experimenters! You can also email us at podcast@macrofab.com.

9. EP#435: Prioritize to learn to Prioritize - Engineering Career Paths14.06.2024 (01:08:03)

   In this episode of Circuit Break, Parker Dillmann and Stephen Kraig, along with special guests Chris Gammell and James Lewis, discuss various aspects of engineering career paths. They delve into how they chose engineering, their first jobs, reasons for changing jobs, and what being an engineer means at different career stages. They also reflect on what they wish they had known earlier in their careers and share some personal anecdotes about non-engineering jobs they've held. The discussion is rich with insights and advice for both new and experienced engineers.Key Discussion Points:How the hosts and guests chose engineering as a career.The impact of their first jobs out of school.Good and bad reasons to change jobs.The role of mentorship and learning from senior engineers.Reflections on imposter syndrome and its effects.The importance of prioritizing tasks and learning to say no.Career transitions and the challenges faced.The influence of non-engineering jobs on their engineering careers.Advice on surrounding oneself with smart engineers.Experiences of working in different engineering roles and industries.The significance of having a plan and being open to change.The role of personality in learning from colleagues.Predictions and aspirations for the next five years.Thoughts on the evolving nature of electronics and engineering careers.Relevant Links:AddOhms YouTube ChannelHackster.ioThe Amp Hour PodcastGoliothCommunity Questions:What are your thoughts on changing jobs for career growth?How do you handle imposter syndrome in your engineering career?What non-engineering job have you had that influenced your engineering career the most?Where do you see your engineering career in the next five years?MacroFab:This show is brought to you by MacroFab, which provides a platform for electronics manufacturing services (EMS), hardware development, designing, and prototyping for individuals, startups, and businesses. Key MacroFab services include PCB (Printed Circuit Board) fabrication, assembly, and testing. Customers can use MacroFab's platform to upload their PCB designs, select components, and specify manufacturing requirements.We Want to Hear From You!Subscribe to Circuit Break wherever you get your podcasts! And join our online discussion hub at forum.macrofab.com to keep the conversation going with electrical engineering experts and experimenters! You can also email us at podcast@macrofab.com.

10. EP#434: The Other VCC07.06.2024 (00:46:32)

    In this episode, Parker and Stephen dive into the intricacies of capacitor selection, discussing various types of capacitors, their properties, and how different factors affect their performance. They also touch on the new custom bare PCB service offered by MacroFab. The episode is rich with technical details, tips for selecting capacitors, and practical advice for engineers.Key Discussion Points:Introduction to the new custom bare PCB service by MacroFabDetailed explanation of capacitor types: Class 1 and Class 2Importance of voltage coefficient of capacitance (VCC)Challenges in selecting capacitors for different applicationsComparison between different capacitor sizes and their effectsTips for avoiding edge cases in capacitor selectionExplanation of how barium titanate affects capacitor performanceMurata's Sim Surfing tool for capacitor dataImpact of capacitor choice on manufacturing and performanceBest practices for selecting capacitors in design projectsRelevant Links:MacroFab Custom PCBsEpisode 141 - It Depends - An In Depth Look at MLCCs with James LewisMurata Sim SurfingCommunity Questions:What are your thoughts on the voltage coefficient of capacitance (VCC) and its impact on capacitor selection?How do you handle the challenges of selecting capacitors for your projects?Have you used Murata's Sim Surfing tool for capacitor data? If so, how has it helped you?MacroFab:This show is brought to you by MacroFab, hardware development, designing and prototyping for individuals, startups, and businesses. Key MacroFab services include PCB (Printed Circuit Board) fabrication, assembly, and testing. Customers can use MacroFab's platform to upload their PCB designs, select components, and specify manufacturing requirements.We Want to Hear From You!Subscribe to Circuit Break wherever you get your podcasts! And join our online discussion hub at forum.macrofab.com to keep the conversation going with electrical engineering experts and experimenters! You can also email us at podcast@macrofab.com.

11. EP#433: Building LibrePCB - Urban Bruhin's Journey in Open Source EDA31.05.2024 (00:54:47)

    In this episode of Circuit Break, Parker Dillmann and Stephen Kraig welcome Urban Bruhin, the creator of LibrePCB, an open-source EDA tool. Urban shares his journey from being an electrical engineer to developing LibrePCB, driven by his dissatisfaction with existing EDA tools like Eagle. The discussion covers the unique features of LibrePCB, the challenges faced during its development, and the design philosophy behind its advanced library concept. Urban also discusses the future of LibrePCB and how the community can contribute to its growth.Key Discussion PointsUrban Bruhin's background and inspiration for creating LibrePCB.The challenges faced during the development of LibrePCB.The unique features of LibrePCB, including its advanced library concept and order feature.How LibrePCB handles DRC and multi-user collaboration.The future of LibrePCB and upcoming features.Ways to contribute to and support LibrePCB.Relevant LinksLibrePCB Official WebsiteCommunity QuestionsWhat are your thoughts on the advanced library concept in LibrePCB?How do you see open-source EDA tools impacting the future of PCB design?What features do you think are essential in an EDA tool for professional use?MacroFabThis show is brought to you by MacroFab, which provides a platform for electronics manufacturing services (EMS), hardware development, designing and prototyping for individuals, startups, and businesses. Key MacroFab services include PCB (Printed Circuit Board) fabrication, assembly, and testing. Customers can use MacroFab's platform to upload their PCB designs, select components, and specify manufacturing requirements.We Want to Hear From You!Subscribe to Circuit Break wherever you get your podcasts! And join our online discussion hub at forum.macrofab.com to keep the conversation going with electrical engineering experts and experimenters! You can also email us at podcast@macrofab.com.

12. EP#432: Remote Ownership24.05.2024 (00:59:21)

    In this episode of Circuit Break, Parker Dillmann and Stephen Kraig discuss the recent increase in semiconductor tariffs and its impact on the electronics industry. Parker shares insights from his latest article analyzing how these tariffs affect bill of materials costs. The hosts also dive into a compelling news story about ASML and TSMC's ability to disable chip machines remotely in the event of geopolitical conflicts, particularly if China invades Taiwan. They explore the ethical implications and security concerns surrounding this capability. Personal project updates include Parker's work on Python scripting to automate data extraction from invoices.News/AnnouncementsRecent increase in semiconductor tariffs and its potential impact on bill of materials costs.ASML and TSMC's ability to remotely disable chip machines in case of geopolitical conflicts.Key Discussion PointsAnalysis of the new semiconductor tariffs and their impact on BOM costs.Breakdown of HTS codes and country of origin data for electronic components.Discussion on engineers’ shifting component choices to avoid tariffs.Insights into historical trends in component pricing and sourcing.ASML and TSMC’s ability to remotely disable chip machines in case of geopolitical conflicts.Ethical and security implications of remote shutdown capabilities.Speculative discussion on backdoors and right to repair in the context of high-tech manufacturing equipment.Personal project updates: Python scripting for data extraction and automation.Relevant LinksParker's Article on Semiconductor TariffsASML and TSMC NewsCommunity QuestionsWhat are your thoughts on the ethical implications of remotely disabling manufacturing equipment in other countries?How do you see the impact of the increased semiconductor tariffs affecting your projects or business?Have you noticed any trends in component pricing or sourcing that have influenced your engineering decisions?MacroFabThis show is brought to you by MacroFab, which provides a platform for electronics manufacturing services (EMS), hardware development, designing and prototyping for individuals, startups, and businesses. Key MacroFab services include PCB (Printed Circuit Board) fabrication, assembly, and testing. Customers can use MacroFab's platform to upload their PCB designs, select components, and specify manufacturing requirements.We Want to Hear From You!Subscribe to Circuit Break wherever you get your podcasts! And join our online discussion hub at forum.macrofab.com to keep the conversation going with electrical engineering experts and experimenters! You can also email us at podcast@macrofab.com.

13. EP#431: Timing Tariff Modulations17.05.2024 (00:53:36)

    SummaryIn this episode, Parker Dillmann and Stephen Kraig delve into the fascinating world of time modulation, discussing recent advancements in capacitor technology. They explore a new dielectric structure made from barium titanate and its potential impact on energy density and efficiency. The hosts also discuss the implications of new tariffs on semiconductors and other goods from China. Additionally, they touch on new developments from the Raspberry Pi Foundation and share updates on Parker's personal projects, including his work on a 1965 Checker Marathon engine.News/AnnouncementsNew tariffs announced by the U.S. government: 50% on semiconductors, 25% on steel and aluminum, 100% on EVs, and 50% on solar panels from China.The Raspberry Pi Foundation announced an M.2 hat for the Raspberry Pi.Key Discussion PointsTime modulation in capacitors and the new dielectric structure using barium titanate.The concept of heterojunctions and homojunctions in semiconductors.Efficiency improvements in capacitors and their potential applications.The practical implications and future prospects of new capacitor technology.Discussion on AI-generated content and the dead internet theory.New tariffs on semiconductors and other goods from China and their potential impact.The Raspberry Pi Foundation's new M.2 hat and its benefits for storage solutions.Parker's personal project updates, including the digital control upgrade for a 1965 Checker Marathon engine.The use of flatbed scanners for reverse engineering enclosures and components.The potential future of neural interfaces and their ethical implications.Relevant LinksHigh energy density in artificial heterostructures through relaxation time modulationChina's Share of Global Chip SalesRaspberry Pi Foundation M.2 hat announcementMegaSquirt 3 EFI ControllerDead Internet TheoryFlatbed scanner reverse engineering tutorialCommunity QuestionsWould you be willing to integrate a smartphone into your body if it was 100% safe and reversible?Have you used a flatbed scanner for any unique engineering applications?What are your thoughts on the new semiconductor tariffs? How do you think it will impact the industry?

14. EP#430: The Toilet Mountain of Social Media10.05.2024 (01:08:24)

    Summary:In this episode, Parker Dillmann and Stephen Kraig delve into the hefty topic of U.S. funding for 'digital twin' chips research under the CHIPS Act, comparing its budget to other big expenditures like Boeing's Starliner and military budgets. They also discuss EDA tool pricing, breaking down costs from freeware to industry heavyweights, and the implications for small vs. large businesses. Additionally, Parker shares his personal project update on his first KiCad PCB.Key Discussion Points:Introduction to the topic of U.S. funding for 'digital twin' chips research and its comparison to other large expenditures.Overview of the CHIPS Act, its budget, and its place in the broader U.S. budget context.Discussion on the price and subscription models of various EDA tools, from entry-level to high-end industry standards.Analysis of the impact of EDA tool pricing on small businesses versus large corporations.Parker's personal project update: success with his first KiCad PCB.The hosts reflect on the social dynamics of Twitter and its impact on public discourse and political polarization.Discussion about the complexities of U.S. political funding and its transparency.Comparison of software subscription models and their financial implications for users.Reflections on the interaction between engineering, politics, and social media.Relevant Links:Prevent Prototype Delays: Your Essential PCBA Pre-Order ChecklistUS plans $285 million in funding for ‘digital twin’ chips researchCommunity Questions:What are your thoughts on the use of 'digital twin' technology in chip manufacturing?How do you think the costs associated with EDA tools affect startups and small businesses?Do you have any personal experiences with the challenges of using subscription-based vs. perpetual license software?MacroFab:This show is brought to you by MacroFab, which provides a platform for electronics manufacturing services (EMS), hardware development, designing, and prototyping for individuals, startups, and businesses. Key MacroFab services include PCB (Printed Circuit Board) fabrication, assembly, and testing. Customers can use MacroFab's platform to upload their PCB designs, select components, and specify manufacturing requirements.We Want to Hear From You!Subscribe to Circuit Break wherever you get your podcasts! And join our online discussion hub at forum.macrofab.com to keep the conversation going with electrical engineering experts and experimenters! You can also email us at podcast@macrofab.com.

15. EP#429: The Magic Touch Is Money03.05.2024 (00:49:55)

    This week we delve into the major (Isn't there always one?) lawsuit against Apple for monopolizing the smartphone market. We explore the implications of Apple’s business practices on innovation, consumer choice, and market competition. The discussion also covers the ethical concerns around Apple's ecosystem exclusivity and how it affects users' perceptions of non-Apple products.Discussion Highlights: Overview of the Justice Department's lawsuit against Apple for monopolizing smartphone markets, focusing on exclusionary practices that hinder competition.Examination of how Apple's ecosystem locks in users, making it difficult to switch to competitor products like Android.Discussion on the ethical considerations of business practices that degrade competitor's product functionality.Reflections on personal and societal impacts of technology choices, including the social implications of being labeled by the type of device one uses.Relevant Links:Justice Department Sues Apple: https://www.justice.gov/opa/pr/justice-department-sues-apple-monopolizing-smartphone-marketsC-NET Article on Apple Lawsuit: https://www.cnet.com/tech/mobile/the-us-lawsuit-against-apple-raises-questions-about-iphone-and-androids-future/YouTube - Merrick B. Garland Press Conference: https://www.youtube.com/watch?v=EQk-EhuQdLg&t=278s&ab_channel=C-SPANCommunity Questions:How do Apple’s business practices affect your choice of technology and perception of non-Apple products?Do you think Apple’s ecosystem exclusivity is just good business, or does it cross ethical boundaries?Have you experienced or noticed any social implications based on the type of mobile device you or others use?MacroFab:This show is brought to you by MacroFab, which provides a platform for electronics manufacturing services (EMS), hardware development, designing and prototyping for individuals, startups, and businesses. Key MacroFab services include PCB (Printed Circuit Board) fabrication, assembly, and testing. Customers can use MacroFab's platform to upload their PCB designs, select components, and specify manufacturing requirements.We Want to Hear From You!Subscribe to Circuit Break wherever you get your podcasts! And join our online Discourse discussion hub at forum.macrofab.com to keep the conversation going with electrical engineering experts and experimenters! You can also email us at podcast@macrofab.com.

16. EP#428: Repairing the Retro Future26.04.2024 (00:55:23)

    This week we dive into the fascinating world of vintage tech repair, focusing on efforts to preserve General Motors' futuristic '80s digital displays. Hosts Parker Dillmann and Stephen Kraig discuss the resilience and repair techniques of the Visual Information Center (VIC) screens, introduced in the late '80s. They also highlight MacroFab's new inventory management features that streamline the process for electronic components, ensuring efficient project management and system updates.Discussion Highlights: Launch of MacroFab's enhanced inventory management system, improving component tracking and project management.The survival and repair techniques of GM's '80s digital displays, highlighting the challenges and techniques involved in maintaining legacy technology.Discussion on designing long-lasting electronic components and the importance of planning for product lifecycle and reliability.Exploring the impact of technology on product longevity and the potential of modern tools to extend the life of electronic devices.Relevant links:MacroFab Inventory Management Update: https://www.macrofab.com/blog/inventory-features-streamline-management/Article on GM’s Futuristic '80s Digital Displays: https://www.theautopian.com/gms-futuristic-80s-digital-displays-are-dying-but-this-man-is-fighting-to-keep-them-alive/Community Questions:How do you approach maintaining or repairing older technological devices to extend their lifespan?What are your thoughts on balancing modern design with the need for longevity in electronics?Have you worked on any projects that involve updating or maintaining older technology? Share your experiences!MacroFab:This show is brought to you by MacroFab, which provides a platform for electronics manufacturing services (EMS), hardware development, designing and prototyping for individuals, startups, and businesses. Key MacroFab services include PCB (Printed Circuit Board) fabrication, assembly, and testing. Customers can use MacroFab's platform to upload their PCB designs, select components, and specify manufacturing requirements.We Want to Hear From You!Subscribe to Circuit Break wherever you get your podcasts! And join our online Discourse discussion hub at forum.macrofab.com to keep the conversation going with electrical engineering experts and experimenters! You can also email us at podcast@macrofab.com.

17. EP#427: Food Device Design Derby: Wrap up and Results19.04.2024 (00:50:55)

    In this episode of Circuit Break, we wrap up the Food Device Design Derby. We celebrate the innovation and creativity of contest entries like the JavAqua, Pizza Pouch, and the winner, BarBuddy, a personal robotic bartender. Notable discussions include a look at podcast statistics, with an impressive 86% of listeners tuning in for entire episodes. We also introduced a new email notification system for podcast releases, moving from Tuesday to Friday releases, and encouraged listeners to engage with reviews. There is also a brief discussion about if PCB assembly drawings are still relevant.Discussion Highlights:Introduction of "Breakers" as a nickname for the podcast listeners.Discussion of the podcast's high listener engagement stats.Introduction of an email notification system for new podcast episodes.Results and highlights from the Food Device Design DerbyThird place: Pizza PouchSecond place: JavAquaFirst place: BarBuddyCircuit Break Favorite: h0t_d0gThe importance and challenges of creating accurate assembly and fabrication drawings for PCBs and PCAs.Discussion on potential improvements in EDA tools for automating assembly and fabrication drawings.Relevant Links:h0t_d0g Contest Page: https://circuit-break.macrofab.com/t/food-device-challenge-h0t-d0g/218JavAqua Contest Page: https://circuit-break.macrofab.com/t/food-device-design-derby-challenge-javaqua/225Pizza Pouch Contest Page: https://circuit-break.macrofab.com/t/food-device-challenge-pizza-pouch-the-keeper-for-your-to-go-pizza/224BarBuddy Contest Page: https://circuit-break.macrofab.com/t/food-device-challenge-barbuddy/216PocketFryer Contest Page: https://circuit-break.macrofab.com/t/fdd-challenge-pocketfryer/196Community Questions:What new innovations or devices would you like to see in future contests?Have you ever had a DIY project that you turned into a functional everyday tool? Tell us about it!What are your thoughts on the need for more automation in EDA tools for producing assembly and fabrication drawings?

18. EP#426: Top Features to Add to Your Next Prototype12.04.2024 (00:38:28)

    Today, we're tackling a topic that's a gold mine for any designer: crucial features you might not have considered for your prototype. From debug headers to "Swapperoo" resistors and heartbeat indicator LEDs, we're covering it all. Tune in as we share insights, anecdotes, and maybe a few confessions from our own prototyping adventures. Plus, we dive into the importance of making your prototype testing-friendly and discuss a poll that could solve a common UART connection dilemma. This is episode 426 – your prototype's new best friend!Discussion Highlights: Debug Headers: Taking inspiration from James Lewis’s Apple Mega 2 project, we discuss the importance of embedding debug headers directly onto the PCB. We also highlight the Tag Connect's footprint as a space-saving, connector-free debugging interface. Test Pads for Production Testing: Crucial for measuring signals ensuring that potential circuit issues are not overlooked. This measure is crucial for validating the prototype’s performance. Jumper Headers in Series on Power Rails: This method allows for the quick disconnection of subsystems for individual testing, enhancing the diagnostic process without the need for circuit alterations.Easy ways to hook up test equipment: By integrating connectors and test points specifically designed for easy attachment of debugging and testing tools, such as multimeters or oscilloscopes, engineers can streamline the troubleshooting process. Signal Integrity Testing Points: To monitor and adjust signal quality proactively, supporting the prototype’s overall integrity.Thermal Management: Managing component temperatures is a critical aspect often overlooked in the early stages of prototyping. The discussion includes practical strategies for thermal management, even in challenging environments like aerospace.Prioritizing Function Over Form: Make the prototype whatever shape it needs to be to be accessible for testing and debugging, even if it means starting with a larger form factor.Early Inclusion of Fiducials and Mounting Holes: The significance of adding fiducials and mechanical mounting holes at the onset of the design process aids in component placement, assembly, and effective heat dissipation.Adding Pass-Through Holes: For unforeseen modifications or component additions post-design, showcasing the flexibility this can provide to a prototype.Poll Discussion: When connecting two chips, each with their own TX and RX lines, should TX be connected to TX, or does TX connect to RX? Relevant links:EP#420: The Mega IIe: A Vintage Computing Adventure with James LewisMacroFab:This show is brought to you by MacroFab, which provides a platform for electronics manufacturing services (EMS), hardware development, designing and prototyping for individuals, startups, and businesses. Key MacroFab services include PCB (Printed Circuit Board) fabrication, assembly, and testing. Customers can use MacroFab's platform to upload their PCB designs, select components, and specify manufacturing requirements.We Want to Hear From You!Subscribe to Circuit Break wherever you get your podcasts! And join our online Discourse discussion hub at forum.macrofab.com to keep the conversation going with electrical engineering experts and experimenters! You can also email us at podcast@macrofab.com.

19. EP#425: MacroFab Platform Updates from Kyle McLeod and Nicholas Lundgaard09.04.2024 (00:59:17)

    This week, hosts Parker Dillmann and Stephen Craig are joined by Kyle McLeod, the OE Project Manager, and Nicholas Lundgard, the OE Team Lead at MacroFab. They delve into recent software releases enhancing the ordering experience on the MacroFab platform, including ITAR compliance, improvements in design file uploads, and the introduction of customer-furnished material options. They discuss the importance of seamless user interactions for uploading PCBs, placing orders, and how MacroFab's platform facilitates these processes. The episode provides insights into MacroFab's efforts to make PCB manufacturing more accessible and efficient for their customers.Discussion Highlights:Introduction of ITAR compliance and its significance for MacroFab's platform and users.Enhancements in PCB design file uploads, including support for additional file types and improved user interface.The role and benefits of customer-furnished material options in the ordering process.Discussions on intelligent overage logic for parts ordering and the impact on manufacturing efficiency.The introduction of completed board photo updates for quality assurance and customer verification.Preview of upcoming features and improvements, focusing on user interface enhancements, bomb management tools, and expanded quoting capabilities.Relevant Links:MacroFab Platform UpdateCommunity Questions:Have you used MacroFab's platform for your PCB manufacturing needs? Share your experiences and any features you'd love to see in the future.What challenges have you faced in PCB design and ordering, and how do you think platforms like MacroFab can solve them?How important is ITAR compliance for your projects, and what has been your experience dealing with ITAR-compliant manufacturers?What features would you like to see added to the MacroFab platform to improve your experience?About MacroFab:This show is brought to you by MacroFab, which provides a platform for electronics manufacturing services (EMS), hardware development, designing and prototyping for individuals, startups, and businesses. Key MacroFab services include PCB (Printed Circuit Board) fabrication, assembly, and testing. Customers can use MacroFab's platform to upload their PCB designs, select components, and specify manufacturing requirements. We Want to Hear From You! Subscribe to Circuit Break wherever you get your podcasts! And join our online Discourse discussion hub at forum.macrofab.com to keep the conversation going with electrical engineering experts and experimenters! You can also email us at podcast@macrofab.com.

20. EP#424: Batman, The King of EDC (Every Day Carry)02.04.2024 (00:47:32)

    This week, delve into the fascinating world of Batman's utility belt. We begin by tracing the evolution of this iconic accessory from its humble origins to its current complex design. The belt features a diverse array of gadgets, tools, and essentials utilized by the Dark Knight. Our discussion covers a wide range of items, from lockpicking tools to unique additions like crayons and lollipops. We examine the practicality and innovative engineering behind Batman's assortment of tools and contemplate what items electrical engineers might include in their own specialized utility belts. Join us for an insightful exploration of superhero gadgetry and its parallels in real-world engineering.Batman and Engineering: Could Batman be seen as an engineer? Relies on technology and intellect rather than superhuman abilities. Utility Belt Evolution: The history and evolution of Batman's iconic utility belt, from its initial simplistic design and its evolution into a more complex, gadget-laden accessory.Batarang: The Batarang, one of Batman's signature tools, is hypothesized to function similarly to modern drone technology. Sonic Devastator: A non-lethal weapon that uses sounds where different frequencies have different effects on the human body.Identity Disk: Fail-safe for revealing his identity posthumously, ensuring that Batman's persona cannot be assumed by others after his death.Batman's Lockpicking Skills: Less emphasized in recent portrayals, highlighting a shift from stealth to brute force in his character's evolution.Is the Lockpicking Lawyer Batman?: Could the popular YouTuber, the LockPickingLawyer, be Batman, given his skill set and the mystery surrounding his identity?Unusual Utility Belt Items: Quirky and unconventional items found in Batman's utility belt include crayons and lollipops, showcasing Batman's preparedness for diverse situations.The Significance of Batman's Logo: The ubiquity of the Batman logo on his gadgets and tools. Does he get stickers made? Engineering a EE Utility Belt: What would comprise an electrical engineer's version of Batman's utility belt? Could include a handheld oscilloscope, wire, heat shrink, and even fantasy items like aerosolized Kapton tape.Utility Belt as an Interview Strategy: A light-hearted suggestion that job applicants show up to interviews wearing a utility belt filled with engineering tools to stand out. What Would Be in Your Utility Belt?: Tell us on our forums at forum.macrofab.com! Relevant links:Batman's Utility Belt Wikipedia What do y'all think Batman's standard utility belt loadout isWould Batman Use Onshape?10 Best Bat-Gadgets Hidden In Batman’s Utility BeltUniversal ToolSonic Weapon About MacroFab:This show is brought to you by MacroFab, which provides a platform for electronics manufacturing services (EMS), hardware development, designing and prototyping for individuals, startups, and businesses. Key MacroFab services include PCB (Printed Circuit Board) fabrication, assembly, and testing. Customers can use MacroFab's platform to upload their PCB designs, select components, and specify manufacturing requirements. We Want to Hear From You! Subscribe to Circuit Break wherever you get your podcasts! And join our online Discourse discussion hub at forum.macrofab.com to keep the conversation going with electrical engineering experts and experimenters! You can also email us at podcast@macrofab.com.

21. EP#423: Magical Semiconductors of Pixies26.03.2024 (00:51:12)

    We’re joined by Alexander Vartanov, an electrical engineering student with a knack for hands-on projects. He discusses his journey from early soldering mishaps to his behind-the-scenes role in creative YouTube projects. We delve into his experiences with rapid prototyping for YouTube, his favorite solder, and shopping for surplus aerospace materials. Additionally, we explore his unique projects, including transforming ordinary alarm clocks into machines that shred money or douse sleepers with water. Tune in for a mix of engineering insights, student life, and tales of creative projects.🚨Contest Announcement 🚨: Introducing a new Circuit Break contest! This contest is themed around building food-related electronic projects. We’re offering over $5,000 in cash prizes, themed trophies, and free prototyping from MacroFab. The deadline to submit is March 31st, 2024. Thanks to Mouser Electronics for sponsoring the contest prizes! Discussion Highlights: Educational Journey: Alexander shares his experiences transitioning from high school to community college, emphasizing the shift in student and teacher mentalities, and his plans to transfer to California State Northridge for electrical engineering.Choosing Electrical Engineering: Discussion on why Alexander chose electrical engineering despite its challenges and the conversation extends to the hosts’ own educational paths and changes in majors.YouTube Projects and Experiences: Alexander talks about his involvement in YouTube projects, including some unique alarm clocks and LED installations on vehicles. Childhood Inspiration: Alexander's initial fascination with electronics was sparked by his father giving him LED lights to experiment with. Early Soldering Experiences: Alexander shares childhood memories of learning to solder, emphasizing the hands-on approach and learning from mistakes, like burning himself while reaching for wire.Impact of YouTube Projects: Discusses how rapid prototyping and pacing for YouTube projects have refined his engineering approach, teaching him to achieve functional results quickly.Favorite Solder and Surplus Stores: Alexander expresses his preference for Kester 60/40 solder and shares experiences sourcing materials from Apex Electronics, a surplus store with historical aerospace inventory.Advice for Aspiring Engineers: Alexander encourages finding passion outside of work and pursuing it professionally, ensuring a balance between enjoyment and responsibility.Relevant links:I Tested Banned Alarm Clocks from Tyler Blanchard The World’s Most Distracting Car (30,000 LED’s on a LAMBO) from Alex ChoiLouis Weiszhttps://www.apexjr.com/ About MacroFab:This show is brought to you by MacroFab, which provides a platform for electronics manufacturing services (EMS), hardware development, designing and prototyping for individuals, startups, and businesses. Key MacroFab services include PCB (Printed Circuit Board) fabrication, assembly, and testing. Customers can use MacroFab's platform to upload their PCB designs, select components, and specify manufacturing requirements. We Want to Hear From You! Subscribe to Circuit Break wherever you get your podcasts! And join our online Discourse discussion hub at forum.macrofab.com to keep the conversation going with electrical engineering experts and experimenters! You can also email us at podcast@macrofab.com.

22. EP#422: Wizard Trust Falls for PCB Footprints19.03.2024 (00:56:56)

    Our hosts discuss Parker’s recent transition from Eagle to KiCad, facing challenges with library management and device layer integration. They discuss the new MacroFab Quote Wizard and our first entry to the MacroFab Food Device Design Derby Challenge! This leads to a discussion of comparing air fryers to convection ovens for fried food fun. The episode delves into adopting LibrePCB as an alternative EDA tool and the integration of Eagle into Fusion 360. Join us for an exploration of the evolving EDA tool landscape and practical design tips.🚨Contest Announcement 🚨: Introducing a new Circuit Break contest! This contest is themed around building food-related electronic projects. We’re offering over $5,000 in cash prizes, themed trophies, and free prototyping from MacroFab. The deadline to submit is March 31st, 2024. Thanks to Mouser Electronics for sponsoring the contest prizes! Discussion Highlights: MacroFab Quote Wizard Release: The new MacroFab Quote Wizard assists in early project planning and cost estimation even without complete data.Dutch Fried Foods: We’ve received our first food contest submission! Victor Koppen from the Netherlands has submitted a pocket air fryer! Convection Ovens vs. Air Fryers: The technical and culinary differences between convection ovens and air fryers.Transitioning from Eagle to KiCad: Parker discussed the challenges and lessons learned transitioning from Eagle to KiCad for PCB design.Creating Libraries in KiCad: Addressed the difficulties in mapping multiple pads to a single pin in KiCad's library system.Integration of Eagle into Fusion 360: The implications of merging Eagle with Fusion 360 for design file sharing and collaboration.Multiple Package Limitations in KiCad: Challenges discussed include dealing with multiple packages for a single symbol in KiCad, compared to Eagle.Library Management in EDA Tools: Challenges associated with large libraries and symbol-footprint associations.Adopting SQL Databases in KiCad: Debating the efficiency and practicality of using SQL databases for device layer management in KiCad.Exploring LibrePCB as an Alternative EDA Tool: The episode evaluated LibrePCB's features and library management in comparison to KiCad.Community Poll: We want to hear from you, our listeners, what is your view on designing your own parts?  Head over to forum.macrofab.com for a poll on trusting footprints or designing your own library. Relevant links:CI/CD with KiCad automationA couple weeks ago we had Brenden Duncombe on to talk about CI/CD8 *Must-Try* features in KiCad 8 from James LewisAbout MacroFab:This show is brought to you by MacroFab, which provides a platform for electronics manufacturing services (EMS), hardware development, designing and prototyping for individuals, startups, and businesses. Key MacroFab services include PCB (Printed Circuit Board) fabrication, assembly, and testing. Customers can use MacroFab's platform to upload their PCB designs, select components, and specify manufacturing requirements. We Want to Hear From You! Subscribe to Circuit Break wherever you get your podcasts! And join our online Discourse discussion hub at forum.macrofab.com to keep the conversation going with electrical engineering experts and experimenters! You can also email us at podcast@macrofab.com.

23. EP#421: Tracing a Path for PCB Design Automation with Sergiy Nesterenko12.03.2024 (00:54:10)

    Sergiy Nestorenko, founder of Quilter and former SpaceX engineer, discusses revolutionizing PCB design automation. He shares his journey from aerospace to starting Quilter, aiming to transform PCB design into a streamlined, AI-driven process. We delve into the technical hurdles, the fusion of engineering and advanced software, and the vision behind making circuit board design more efficient and intuitive. Sergiy also addresses the potential educational impacts and the future of hardware engineering in an AI-augmented world. Join us for a dive into the evolving landscape of PCB design and engineering innovation.🚨Contest Announcement 🚨: Introducing a new Circuit Break contest! This contest is themed around building food-related electronic projects. We’re offering over $5,000 in cash prizes, themed trophies, and free prototyping from MacroFab. The deadline to submit is March 31st, 2024. Thanks to Mouser Electronics for sponsoring the contest prizes! Discussion Highlights: Transition to Quilter: Sergi discusses his first experience with PCB layout at SpaceX and the realization that led him to question and eventually automate the process.Autorouters and their Limitations: Exploration of the limitations of current autorouting solutions in PCB design software and why they fail. Quilter's Vision: Sergi outlines the long-term goal for Quilter to become the compiler for hardware, enabling engineers to focus on design creativity rather than manual layout tasks.Organic and Unconventional PCB Designs: Discussion on how AI and automation could lead to more optimal yet unconventional PCB designs, moving beyond traditional shapes and layouts.Aesthetics of Earliest PCBs: Questioning the assumptions of traces leads to a discussion about the designs of the earliest PCBs in history. Simulation Integration and FCC Compliance: Sergi emphasizes the importance of incorporating comprehensive simulations, including electromagnetic and thermal, into the PCB design process for ensuring compliance and performance.Feedback and Learning from AI: The discussion reveals how AI, like Quilter, can introduce designers to considerations they hadn't encountered, fostering a learning environment while automating tedious tasks.Exploring Design Variations: Sergi envisions Quilter enabling engineers to explore thousands of design variations, including different stack-ups and materials, to optimize board designs beyond traditional constraints, enhancing innovation and performance.Neural Network Integration: The conversation delves into how Quilter utilizes neural networks not for direct layout generation but for guiding classical algorithms in decision-making. Feedback Mechanisms: Quilter encourages user feedback through various channels to refine its algorithms and user experience.Future of Hardware Engineering: Reflecting on the future, Sergi and the hosts discuss the potential shift in hardware engineering roles with increased AI integration. Relevant links:Sergiy LinkedIn Quilter WebsiteSergiy TwitterQuilter's AI design service nabs $10M to make circuit board design easierAbout MacroFab:This show is brought to you by MacroFab, which provides a platform for electronics manufacturing services (EMS), hardware development, designing and prototyping for individuals, startups, and businesses. Key MacroFab services include PCB (Printed Circuit Board) fabrication, assembly, and testing. Customers can use MacroFab's platform to upload their PCB designs, select components, and specify manufacturing requirements. We Want to Hear From You! Subscribe to Circuit Break wherever you get your podcasts! And join our online Discourse discussion hub at forum.macrofab.com to keep the conversation going with electrical engineering experts and experimenters! You can also email us at podcast@macrofab.com.

24. EP#420: The Mega IIe: A Vintage Computing Adventure with James Lewis05.03.2024 (00:53:19)

    We dive into the intricate world of vintage computing with James Lewis, aka the Bald Engineer, who takes us through the journey of constructing a functional computer based on the Apple II GS's Mega II chip. He shares his nostalgic connection to the Apple II series, revered for its open design and pioneering hardware engineering. Our conversation spans the detailed architecture and challenges of his Mega IIe project, from initial concepts to the complexities of integrating modern microcontrollers like the RP2040 during pandemic component shortages. Tune in for a fascinating journey from the past to the future, bridging vintage computing with modern technology! 🚨Contest Announcement 🚨: Introducing a new Circuit Break contest! This contest is themed around building food-related electronic projects. We’re offering over $5,000 in cash prizes, themed trophies, and free prototyping from MacroFab. The deadline to submit is March 31st, 2024. Thanks to Mouser Electronics for sponsoring the contest prizes! Discussion Highlights: The Mega IIe Project: James built a functional computer around the Mega II chip from the Apple II GS, containing the logic of previous generations of Apple II computers.Nostalgia for the Apple II: James shares his personal connection to the Apple II, and explains why the Apple II is revered in the vintage computing space, particularly for its open design and hardware engineering aspects.Technical Deep Dive into the Apple II and Mega IIe: James dives into how Apple II's open design compares to other computers of its era such as the Commodore. Bit Preserve Project: His GitHub project, Bit Preserve, is where people can contribute redrawn vintage computer schematics in KiCad.  Architecture and Development of the Mega IIe: James outlines the evolution of the Mega IIe project from a simple breakout board idea to a complex design involving multiple boards, fly wires, and the use of modern microcontrollers like the RP2040 due to component shortages during the lockdown period.Debugging Challenges: Difficulties encountered when integrating components and understanding undocumented features, such as the keyboard signals and slot communications. Design Approach (Rev 2): A backplane system where individual blocks of the Apple II design were isolated into separate cards, allowing systematic troubleshooting and incremental progress, which significantly facilitated debugging.Video Signal Processing: Explored the challenges and solutions in handling video output, particularly transitioning from composite video to digital video using the Mega II chip's RGB output. Rev 3 Development: The transition from a modular backplane system (Rev 2) to a single board computer (Rev 3), consolidating all functions and addressing issues like power supply design. Future Directions and Learning: Reflects on the initial underestimation of the project's complexity and duration and discusses potential next steps, including the possibility of a shift in  focus towards modern technology areas like machine learning for edge devices. Relevant links: Bit Preserve (Vintage Schematics in KiCad)1st Video: Mega II video: Getting it to bootKansasFest 2022 Talk (before Rev 3 worked)2nd Video: Getting to the first doneMega IIe GithubMega IIe Twitch Archive (hundreds of hours of content!)Circuit Break #411: Entropy rules everything with James LewisReliability and component aging effects Circuit Break #222: Turning It On - New Design Checklists with James LewisTesting and validating PCB assembly designCircuit Break #141: James joins us to talk about ceramic capacitors About MacroFab:This show is brought to you by MacroFab, which provides a platform for electronics manufacturing services (EMS), hardware development, designing and prototyping for individuals, startups, and businesses. Key MacroFab services include PCB (Printed Circuit Board) fabrication, assembly, and testing. Customers can use MacroFab's platform to upload their PCB designs, select components, and specify manufacturing requirements. We Want to Hear From You! Subscribe to Circuit Break wherever you get your podcasts! And join our online Discourse discussion hub at forum.macrofab.com to keep the conversation going with electrical engineering experts and experimenters! You can also email us at podcast@macrofab.com.

25. EP#419: Kent Johnson: Religious Diversity in Electrical Engineering27.02.2024 (00:58:02)

    Kent Johnson, Senior Corporate Advisor at the Religious Freedom and Business Foundation joins us this week to discuss the multifaceted role of religious diversity in the workplace.  Topics range from addressing challenges, fostering inclusivity, and integrating faith with mental health support. We discuss authentic expression and trust building, social media's impact, interfaith collaboration, and the intersection of religion and science. Join us for this exploration of how religious diversity is an important aspect of diversity, equity and inclusion in the workplace. 🚨Contest Announcement 🚨: Introducing a new Circuit Break contest! This contest is themed around building food-related electronic projects. We’re offering over $5,000 in cash prizes, themed trophies, and free prototyping from MacroFab. The deadline to submit is March 31st, 2024. Thanks to Mouser Electronics for sponsoring the contest prizes! Defining Religion Broadly: Extending beyond adherence to sects and emphasizing shared values, principles, and beliefs that individuals adhere to with ardor and faith.Religion as a Business Issue: Affecting employee retention and workplace satisfaction. Highlighting the importance of employees feeling seen, appreciated, and free to express their beliefs.Challenges in the Workplace: Fear of disruption due to religious expression and the perception that religion is irrelevant to work, or prejudice for different ideologies. Authenticity and Trust Building: Building trust in the workplace, emphasizing the positive impact of transparency and realness in fostering an inclusive environment.Religious Diversity Initiatives: Faith groups collaborating on community service projects, and inclusive worship services during religious holidays.Social Media and Echo Chambers: The impact of social media on amplifying echo chambers and reinforcing biases, contributing to increased polarization in society.Religion and Science: The intersection of religion and science, highlighting potential areas of activity and dialogue around this topic.Healing Through Interfaith Collaboration: The positive impact of interfaith collaboration, such as visiting each other's places of worship.Authority and Religion in the Workplace: The impact of an individual's position on expressing religious beliefs in the workplace is discussed.Wearing Symbols and Openness: Discussion on wearing religious symbols in the workplace as an invitation for questions and engagement.Integration with Mental Health Support: Connection between faith in the workplace and addressing mental health issues. Highlighting the issue of loneliness in the workplace.Avoiding Compulsion: Stressing that sharing about one's faith should not be compulsory, advocacy for an open-door policy rather than a forced one.Relevant links:Religious Freedom and Business Association Get in touch with Kent!  He’d love to hear from you. Check out our episode about engineering ethics with Kent: EP413 The Gray Zone with Kent JohnsonAbout MacroFab:This show is brought to you by MacroFab, which provides a platform for electronics manufacturing services (EMS), hardware development, designing and prototyping for individuals, startups, and businesses. Key MacroFab services include PCB (Printed Circuit Board) fabrication, assembly, and testing. Customers can use MacroFab's platform to upload their PCB designs, select components, and specify manufacturing requirements. We Want to Hear From You! Subscribe to Circuit Break wherever you get your podcasts! And join our online Discourse discussion hub at forum.macrofab.com to keep the conversation going with electrical engineering experts and experimenters! You can also email us at podcast@macrofab.com.