The Amp Hour

The Amp Hour

The Amp Hour is a weekly conversation about electronics and the people who design them.

Episodes

Space Age Bluetooth with Alex Haro

July 9, 2026 • 66 mins
Alex Haro, CEO of Hubble, joins Chris to talk about building a network of terrestrial and space (!) based Bluetooth infrastructure to track low power devices across the globe, without a data plan or a GPS module onboard.
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Boat Anchor Warehouse

July 1, 2026 • 54 mins
Dave and Chris discuss a massive “boat anchor” warehouse clearance, 0201 board assembly, Texas Instruments’ stealthy datasheet updates for classic op-amps, the latest in local AI models, and paper-based electronics art
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Arduino's Invisible Touch with Massimo Banzi

June 17, 2026 • 70 mins
Massimo Banzi is co-founder of Arduino, the worldwide project built upon easily accessible embedded hardware. He joins Chris to talk about the design, rise, struggles, and eventual exit of the company, and what he’s now doing with Supermoderno.
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The Secret Life of Circuits with lcamtuf / Michał Zalewski

June 4, 2026 • 59 mins
Michał Zalewski (lcamtuf) is a security researcher, author, electronics enthusiast, and calculator collector. He joins Chris to talk about his new book The Secret Life of Circuits and his interest in the field of electronics and explaining things to others.
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All Heat, No Useful Work

May 25, 2026 • 65 mins
Dave and Chris discuss the infrastructure and massive energy demands of AI data centers, injecting power through a programming header, Linux changes, and dogfooding your own projects.
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BeagleBoard's Back with Jason Kridner

May 7, 2026 • 70 mins
Jason Kridner returns to The Amp Hour after his first appearance 15 years ago to talk about the BeagleBadge and Zepto boards that showcase new capabilities in the Linux and Zephyr space. The BeagleBoard.org project is still focused on building open source, affordable, and accessible Linux and embedded hardware.
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AI Tooling with Matt Liberty and Luke Beno

April 22, 2026 • 69 mins
Past guests Matt Liberty (Joulescope) and Luke Beno (Werewolf.us) join Chris to talk through using AI tooling for small businesses in the hardware and firmware space. Both have built custom ERP systems, among many other tooling for their businesses, in a fast moving environment.
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Chip Design for Fun (and Waffles) with Julia Desmazes

April 8, 2026 • 59 mins
Julia Desmazes joins Chris to discuss designing chips for fun and getting an entire design done in 2 weeks to make a tapeout deadline. Julia built accerlators and has continued to dive deeper into on and off chip tooling for greater visibility into the silicon she gets back from the fab.
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Hyper Growth and OpenClaw Interns

March 31, 2026 • 61 mins
Dave and Chris discuss Golioth getting acquired by Canonical (makers of Ubuntu), trying out OpenClaw in the lab, changes to space plans, big new factories, Arm making chips, and more!
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Inventing the Power MOSFET with Alex Lidow

March 19, 2026 • 65 mins
Alex is founder and CEO of Efficient Power Conversion, a leading manufacturer of GaN MOSFET’s. Alex is also the inventor of the original Power MOSFET and HEXFET at International Rectifier. Also, former CEO of International Rectifier (founded by his father!), https://epc-co.com We cover everything from inventing the power MOSFET on his first day on the job to silicon physics, AI data centres and humanoid robots. Enjoy.
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Layout Review with Zachariah Peterson

March 11, 2026 • 60 mins
Zachariah Peterson joins Chris to discuss doing PCB layout and creating content for engineers looking to learn more about how to build their own PCBs
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Back on the road in '26

March 4, 2026 • 59 mins
This week we talked about upcoming travel, solid state transformers, battery testing, new small circuit boards, and a bunch more.
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Electronics Manufacturing History with David Ray

February 26, 2026 • 62 mins
David Ray joins Dave to talk about the history of electronics manufacturing and how he has built a high mix manufacturing business while regularly educating the public about how electronics work.
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Shiny New Pebble with Eric Migicovsky

February 9, 2026 • 58 mins
Founder of Pebble and CEO of CoreDevices, Eric Migicovsky, joins Chris to talk about the history of the Pebble Watch and resurrecting the hardware to serve a very loyal ecosystem. Along the way, Eric has continued to create new gadgets like the Index 01 ring.
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The Measurement Blues with Martin Rowe

February 2, 2026 • 77 mins
Martin Rowe is a long time technical editor for publications like EE World, EDN, and Test and Measurement World. He stops by The Amp Hour to talk about the things he has seen and the people he has met in the electronics industry, and he’s still going strong!
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Rubber Duck Incarnate

January 25, 2026 • 69 mins
Dave and Chris discuss staying connected while traveling, building terminal interfaces for custom hardware, using coding tools, the Teensy and recent events surrounding the manufacture, Zephyr, Raspberry Pi PIOs, and more!
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Robots Everywhere with Aaed Musa

January 19, 2026 • 58 mins
Aaed is a YouTuber who builds a variety of robots and a mechanical engineering student at Purdue. He joins Chris to talk building robots and robotics components from the ground up, with a focus on lowering the cost and barrier to entry. They also discuss modern engineering education.
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Medical Electronics Education with Mark Palmeri

December 22, 2025 • 89 mins
Dr Mark Palmeri is a professor at Duke University in the Biomedical Engineering (BME) field. He joins Chris to talk about using open tools (KiCad, ngspice, Zephyr, Jupyter notebooks, Python) to build educational resources and how he shares those courses with the world outside of Duke. He also walks through the Tympanometer project, built with Duke BME Design Fellows.
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Tugging on the Nerd Heartstring

December 6, 2025 • 56 mins
Dave and Chris are back after a long vacation absence to talk about high end events, new scopes, fast board assembly, and nerds nostalgic for the sci fi future that never was.
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Nobel Prize Winner Dr Barry Marshall

November 9, 2025 • 50 mins
Dr Barry Marshall won the 2005 Nobel Prize in Physiology or Medicine for discovery of the bacterium Helicobacter pylori and its role in gastritis and peptic ulcer disease.
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