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!Canonical (the makers of Ubuntu) acquired Golioth, meaning Chris is moving from a 12-person startup to an organizatio

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 f

Zachariah Peterson joins Chris to discuss doing PCB layout and creating content for engineers looking to learn more about how to build their own PCBsWelcome Zachariah Peterson of Northwest Engineering Solutions!Zach listed the various places people can find his work, including The Altium YouTube cha

This week we talked about upcoming travel, solid state transformers, battery testing, new small circuit boards, and a bunch more.Chris will be having a meetup in London March 8th, 2026 click here for more info. He will also be at Embedded World the following week at various events.Dave is also heade

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.Thanks to our sponsor for this episode, SeaSats! Check out their open positions making autonomous ocean v

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.Welcome Eric Migicovsky of Pebble!Pebble

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!Welcome Martin Rowe of EE World!Martin is

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!Dave is back from vacation. He should have bought a Starlink mini (not as chea

Welcome Aaed Musa!Aaed is a YouTuber who builds a variety of robots and a mechanical engineering student at Purdue. He just completed his undergrad degree and is now working on his Master’s degree. I believe he is the first Amp Hour guest who is still a full time student.His channel has a great vari

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

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.Chris got back from his honeymoon to the Galapagos, see photos on the updated version of his blog.Dave encountered a super se

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.But Barry is also an electronics hobbyist and vintage HP and Tek oscilloscope and vintage computer enthusiast. He visited the EEV

Davide Andrea is the author of The Electronic Connector Book and Principal of Elithion, a company that designs Battery Management System. He joins Chris to talk about the wide and wonderful world of connectors.Welcome Davide Andrea, author or The Electronic Connector Book! And many thanks to Blues f

This week Dave and Chris discuss test equipment, the Arduino acquisition, Zephyr, Altium pricing, private equity owning YouTube channels, audio circuits, and more!Thanks to our sponsor Blues this week! Visit the Blues store and use the code AMPHOUR to get 10% off your first order of a kit.Capacitors

Joren Vaes is a design engineer at SOFICS working on simulating and delivering analog IP blocks on leading edge nodes like the 2 nm node from TSMC. Listen to how they bend physics to their will to make the chips that power our modern electronics.Welcome Joren Vaes, design engineer at SOFICSSimulatio

This week Dave and Chris discuss DIN rail, IAC (featuring Space Lube), begging for Moonlanders, batteries, 10x-priced connectors, Gridfinity, concrete slabs, and more.Contextual Electronics is “still a thing”.Sydney hosted the International Astronautical Congress (IAC). The IAC is the “big space eve

Jerry Twomey, author of Applied Embedded Electronics, joins Chris to talk about how to build more reliable hardware when there are embedded components involved. And these days, there are almost always embedded components involved.Welcome Jerry Twomey (Effective Electrons) author of the book, Applied

Tim 'Mithro' Ansell returns to The Amp Hour to discuss his new Singapore based wafer sharing service called wafer.space. Now that Efabless is no more, this venture will aim to make silicon even more accessible to the masses, driving down the costs on a per chip basis. For $7K, you get 1000 chips del

Dave and Chris discuss solar, nuclear, making new injection molds from old ones (or not), and how to probe poorly placed test points with tiny needles.Dave bought a lemon laptopChris officially has solar that is installed, working, and is effectively an appliance at this point…Duke Energy and North

Todd Bailey has been busy in the 11 years since he was last on the show. He has designed submarine sonar and many different pieces of space electronics, the latest being a hall effect thruster that uses solid propellant for his now sold company Starlight Engines.Welcome back Todd Bailey of Starlight

Dave and Chris record after a long break between episodes together and discuss new electronics designs they're working on, solar and battery installations, dealing with tariffs, and building at JLC.Dave is starting a new project for a lab timer called the uTimerTimelapseGeerling videos about clocksM

Andrew Seddon, founder and CEO of CircuitHub, joins Chris to talk about how CircuitHub has changed over the past 12 years as a startup and how they are continuing to push the boundaries of high mix domestic electronics manufacturing.Welcome Back, Andrew Seddon! Founder and CEO of CircuitHub.Andrew w

Matt Brown is a hardware and IoT security researcher. He joins Chris to talk about best practices for securing hardware that talks to the internet and share stories of products that didn't pass muster.Welcome Matt Brown of Brown Fine Security!Matt has been reverse engineering a “smart” smoker contro

Tim from Mitxela stops by the show to discuss his extensive portfolio of projects involving, hardware (tiny LEDs), firmware (ridiculously low power processing), software (emulating gameboy), and mechanical (machining jewelry grade objects)Welcome Tim from Mitxela!Introduced by Mike Harrison, past gu