Circuit Break - A MacroFab Podcast MacroFab, Inc.

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.

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.

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.

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.

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.

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.