The Amp Hour
by The Amp Hour (Chris Gammell and David L Jones)
Latest episode
Subthreshold Innovation at Ambiq with Scott Hanson
Subthreshold Innovation at Ambiq with Scott Hanson
About this podcast
The Amp Hour is a weekly conversation about electronics and the people who design them.
Episodes
The newest 50 of 754 episodes
- Subthreshold Innovation at Ambiq with Scott Hanson · 1 h 2 min · Episode 738Scott Hanson is founder and CTO of Ambiq, a pioneer in ultra-low-power semiconductor design based in Austin, Texas. He joins Chris to discuss tech transfer from his PhD research…
- Things are looking up · 1 h 2 min · Episode 737Dave and Chris catch up on appliance repair nightmares, SDRs, open source silicon, LCD panels, and hardware security threats. In longer term news, Chris announces his new role as…
- Seeed in Shenzhen with Eric Pan · 1 h 1 min · Episode 736Eric Pan is the founder and CEO of Seeed Studio, an open-source hardware and manufacturing platform based in Shenzhen, China. He joins Chris to discuss Seeed’s journey from early…
- The Onio Batteryless Vision with Kjetil Meisal · 1 h 3 min · Episode 735Kjetil Meisal, CEO and co-founder of Norwegian semiconductor startup ONiO, joins Chris to discuss the development of ONiO.zero, a revolutionary batteryless microcontroller…
- The Walmart Greeter of Electronics · 1 h 5 min · Episode 734Dave and Chris catch up on the shift toward practical hands-on engineering education at universities, open-source robotics, calculator forensics, mentoring young engineers…
- Perpetual Wearable Biosensing with Andy Kong · 1 h 6 min · Episode 733Andy Kong is creating Chargerless, a pre-seed wearable biometric device that runs on 1 minute of sunshine per day. He joins Chris to talk about low power design, unconventional…
- Hands-on Physical AI with Kevin Cloutier · 59 min · Episode 732Kevin Cloutier is the North American Lead for Physical AI at a global engineering consulting firm and a computer engineer who is passionate about taking complex computations to…
- E&M Reality Emerges with Robert Fennis · 1 h 22 min · Episode 731Robert Fennis joins Chris to demystify the black magic of RF and talk about his open-source, Python-based 3D electromagnetic solver, EMerge. They discuss why simulation is like…
- The Focus Knob Works · 55 min · Episode 730Dave and Chris celebrate 16 years of the show (1st episode was August 10th, 2010) by launching a brand-new static website featuring searchable transcripts and a “pissed-old…
- The Terahertz Frontier with Greg Charvat of Teradar · 1 h 20 min · Episode 729Dr Greg Charvat, CTO and co-founder of Teradar, joins Chris for a 5th appearance on The Amp Hour to talk about how terahertz frequency radar will revolutionize the automotive…
- Space Age Bluetooth with Alex Haro · 1 h 6 min · Episode 728Alex 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…
- Boat Anchor Warehouse · 55 min · Episode 727Dave 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…
- Arduino's Invisible Touch with Massimo Banzi · 1 h 10 min · Episode 726Massimo 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…
- The Secret Life of Circuits with lcamtuf / Michał Zalewski · 60 min · Episode 725Michał 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…
- All Heat, No Useful Work · 1 h 5 min · Episode 724Dave 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…
- BeagleBoard's Back with Jason Kridner · 1 h 10 min · Episode 723Jason 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…
- AI Tooling with Matt Liberty and Luke Beno · 1 h 9 min · Episode 722Past 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…
- Chip Design for Fun (and Waffles) with Julia Desmazes · 60 min · Episode 721Julia 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…
- Hyper Growth and OpenClaw Interns · 1 h 1 min · Episode 720Dave 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…
- Inventing the Power MOSFET with Alex Lidow · 1 h 5 min · Episode 719Alex 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…
- Layout Review with Zachariah Peterson · 1 h 0 min · Episode 718Zachariah Peterson joins Chris to discuss doing PCB layout and creating content for engineers looking to learn more about how to build their own PCBs
- Back on the road in '26 · 60 min · Episode 717This week we talked about upcoming travel, solid state transformers, battery testing, new small circuit boards, and a bunch more.
- Electronics Manufacturing History with David Ray · 1 h 2 min · Episode 716David 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…
- Shiny New Pebble with Eric Migicovsky · 59 min · Episode 715Founder 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…
- The Measurement Blues with Martin Rowe · 1 h 17 min · Episode 714Martin 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…
- Rubber Duck Incarnate · 1 h 9 min · Episode 713Dave and Chris discuss staying connected while traveling, building terminal interfaces for custom hardware, using coding tools, the Teensy and recent events surrounding the…
- Robots Everywhere with Aaed Musa · 59 min · Episode 712Aaed 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…
- Medical Electronics Education with Mark Palmeri · 1 h 29 min · Episode 711Dr 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…
- Tugging on the Nerd Heartstring · 56 min · Episode 710Dave 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.
- Nobel Prize Winner Dr Barry Marshall · 50 min · Episode 709Dr 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.
- All the Connectors with Davide Andrea · 1 h 5 min · Episode 708Davide 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…
- Welding with an HDMI Cable · 51 min · Episode 707This week Dave and Chris discuss test equipment, the Arduino acquisition, Zephyr, Altium pricing, private equity owning YouTube channels, audio circuits, and more!
- Leading Edge Analog with Joren Vaes · 1 h 4 min · Episode 706Joren 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…
- Psst...Hey buddy, wanna buy an Octopus? · 46 min · Episode 705This week Dave and Chris discuss DIN rail, IAC (featuring Space Lube), begging for Moonlanders, batteries, 10x-priced connectors, Gridfinity, concrete slabs, and more.
- Applied Embedded Electronics with Jerry Twomey · 51 min · Episode 704Jerry 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…
- Building wafer.space with Tim Ansell · 58 min · Episode 703Tim ‘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…
- Test Point Accupuncture · 1 h 6 min · Episode 702Dave 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.
- Electric Propulsion with Todd Bailey · 1 h 30 min · Episode 701Todd 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…
- Beware of the Overachievers · 1 h 15 min · Episode 700Dave 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…
- CircuitHub, 12 Years Later with Andrew Seddon · 1 h 23 min · Episode 699Andrew 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…
- Hardware Security with Matt Brown · 1 h 7 min · Episode 698Matt 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…
- LEDs Everywhere with Tim from Mitxela · 1 h 15 min · Episode 697Tim from Mitxela stops by the show to discuss his extensive portfolio of projects involving, hardware (tiny LEDs), firmware (ridiculously low power processing), software…
- It Works With Option Number 5 · 1 h 3 min · Episode 696This week Dave and Chris discuss solar optimization, short videos, useless products, cameras, energy monitors, Bluetooth, magnets, and more!
- Making The Invisible, Visible with Sam Aldhaher · 1 h 15 min · Episode 695Sam Aldhaher is a power engineer and 3D graphic artist, his Blender visualizations have helped many people understand how RF flows in a variety of circuits. Sam joins Chris to…
- Voltage, Vibes, and VOCs · 1 h 11 min · Episode 694In this episode, Dave and Chris cover environmental monitoring, trade shows, manufacturing, tariffs, new test equipment, and AI coding.
- Small Scale Electronics Manufacturing with Colin O'Flynn · 1 h 18 min · Episode 693Colin O’Flynn returns to The Amp Hour for a 3rd time to talk about recent developments in security, FPGAs, small scale electronics manufacturing, and the world of academia.
- Like a steam engine in your house · 1 h 13 min · Episode 692In this episode Dave and Chris discuss solar installs, wacky tariffs, peak power pricing, tiny electronics, oscilloscope triggering, and more.
- System Designer Lets You Try Every Part with Michael Gielda · 1 h 11 min · Episode 691Michael Gielda returns to the show (for a third time) to talk about the work Antmicro is doing to extend hardware, firmware, and silicon design. Their new tool System Designer…
- Clap on, clap off, lights flicker · 1 h 2 min · Episode 690Dave and Chris discuss bluetooth boards, what happens when batteries leak, new cellular capabilities in iPhones, AC flicker, old oscilloscopes, and more!
- A Jumperless Breadboard with Kevin Cappuccio · 1 h 14 min · Episode 689Kevin Cappuccio joins Chris to talk about the Jumperless Breadboard, an advanced platform for prototyping and interacting with circuits that you place onto the breadboard.







