The CircuitPython Show

Michael "T-Rex" Kadie 01.06.2026 21мин

Michael “T-Rex” Kadie joins the show and discusses the T-Rex Talk family of assistive devices built with CircuitPython. 1:25 Michael’s start with computers 1:56 How Michael started building communication devices in the 90s 4:46 The T-Rex Talk 3.0 8:55 Using AI to help 9:58 Using the Fruit Jam as an assistive device 13:27 The training game 13:56 The Sip-N-Puff 16:38 The CircuitPython reading light 17:07 Jay Leno’s antique electric car - with CircuitPython 21:21 Wrap-up Michael’s website GitHub repository YouTube channel Enjoying the show? You can now sponsor the show, learn more at www.circuitpythonshow.com. Thank you for your support!

Tom Fox 04.05.2026 16мин

Tom Fox joins the show and shares his creation, the SPOKE board. Show Notes 00:00 Intro 00:36 Tom’s start with computers and electornics 1:25 Discovering CircuitPython 2:31 The SPOKE board SPOKE 4:11 Whom is the SPOKE for? 5:38 The SPOKE Mini 7:25 What students have made with the SPOKE 9:15 What were the challenges bringing the SPOKE to life? 10:33 The SPOKE online editor 13:53 What’s next for SPOKE? 14:59 Where to learn more? YouTube Instagram Tom’s home page 15:26 How much does the SPOKE cost? 15:38 Which board? 16:22 Wrap-up Enjoying the show? You can now sponsor the show, learn more at www.circuitpythonshow.com. Thank you for your support!

Developing for the Fruit Jam 20.04.2026 37мин

Paul is joined by three former guests: Tim Cocks, Dan Cogliano, and Cooper Dalrymple who share their experience developing apps, games, and screensavers for the Adafruit Fruit Jam and Fruit Jam OS. Show Notes 00:00 Welcome 00:38 FruitJamOS Cooper’s best practices Fruitris 3:44 Cooper’s excitement for the Fruit Jam 7:24 Dan’s interest in the Fruit Jam Z Machine Moon Miner 8:52 Dan’s screensavers for the Fruit Jam Screensaver bundle 10:48 Coding for othe Fruit Jam 12:20 The Fruit Jam app library Fruit Jam Library 18:02 GPIO and expansion 19:44 Display support Using DVI Video Learn Guide 24:07 Challenges to look out for when developing for the Fruit Jam Mice Learn Guide Keyboard Learn Guide Cooper’s Mystify screensaver 31:01 What advice for someone creating a game or app for the Fruit Jam? Cooper’s Fruit Jam / Pong tutorial 36:48 Wrap-up Enjoying the show? You can now sponsor the show, learn more at www.circuitpythonshow.com. Thank you for your support!

Physical Computing - Interactive Art, Robotics, & Tech for Good 06.04.2026 14мин

Paul is joined by Abby Bergman and Esha Patel who both recently completed the Physical Computing - Interactive Art, Robotics, & Tech for Good course taught by Professor John Gallaugher at Boston College. Abby and Esha share their experiences and projects taking the course. Show Notes 00:00 Welcome 00:56 Professor Gallaugher’s Physical Computing - Interactive Art, Robotics, & Tech for Good course 1:42 Abby’s motivation for taking the class Early Childhood Maker Literacies – DevTech Research Group 2:38 Esha’s motivation for taking the class 3:32 What was a surprise about the class? 5:20 Esha’s Interactive Hopscotch project Interactive Hopscotch Adaptive Tic Tac Toe 7:38 Abby’s Very Hungry Caterpillar Interactive Very Hungry Caterpillar With RFID and Button Input - Assistive Tech 10:29 Soldernig challenges 11:36 The Festival of Lights 12:26 What advice would you share to someone thinking of taking the course? 14:29 Wrap-up Enjoying the show? You can now sponsor the show, learn more at www.circuitpythonshow.com. Thank you for your support!

John Park 23.03.2026 30мин

John Park joins the show and shares how he started hosting shows, his pre-show preparation, some of his favorite memories and projects, and more. 00:00 Welcome 00:36 JP’s start with computers and electronics 3:59 MAKE: Television Make: Television - Complete Series : Make : Free Download, Borrow, and Streaming : Internet Archive 10:47 Preparing for a show JP’s Workshop YouTube Playlist 16:54 Favorite CircuitPython memories 20:09 Favorite projects over the years 25:55 Favorite synthesizer Mutable Instruments: a (Brief) Retrospective MicroFreak 29:20 Which board? 30:36 Wrap-up Enjoying the show? You can now sponsor the show, learn more at www.circuitpythonshow.com. Thank you for your support!

The Open Pressure Sensor Device 09.03.2026 22мин

Paul welcomes Michelle Hui and Reitwiec Shandilya, master’s students at Cornell Tech. They discuss their project, an open source medical device that helps mastectomy patients, that runs CircuitPython. 00:00 Intro 00:46 The Open Pressure Sensor Device 2:05 Overcoming the problem gaps 2:58 Partnering with clinicians 5:26 The hardware and firmware 8:13 Reverse engineering the proprietary device 13:48 The Open Source Hardware Association 20:09 What’s next for OpenPSD? 21:42 Wrap-up Enjoying the show? You can now sponsor the show, learn more at www.circuitpythonshow.com. Thank you for your support!

Sean Carolan 23.02.2026 18мин

In this episode, Paul is joined by Sean Carolan. Sean shares how he used CoPilot with Claude Opus to create a Pac-Man clone in CircuitPython in just one day. Show Notes 00:00 Intro 00:32 Sean’s start with computers 1:34 Choosing Pac-Man 2:30 Seeed Wio Terminal 4:04 Coding Pac-Man in CircuitPython 5:17 The game’s art assets The Spriters Resource Assets · Kenney 6:51 Re-creating the sounds of Pac-Man 8:29 Pac-Man on the Fruit Jam Port to Adafruit Fruit jam by relic-se · Pull Request #1 · scarolan/pac-wio 9:51 What worked well when using Claude Opus for Ai 12:50 The challenges in using AI 14:14 Recommendations for someone just starting to use AI to code 16:38 Learn more about Sean Sean Carolan’s Github Site Sean on LinkedIn 17:01 Which board? 18:36 Wrap-up Enjoying the show? You can now sponsor the show, learn more at www.circuitpythonshow.com. Thank you for your support!

John Ellis 09.02.2026 20мин

Paul welcomes John Ellis to the show. John shares some of his MacroPad projects, TallyCircuitPy, and more. 00:00 Intro 1:18 John’s start with computers 5:13 John’s handle, DeckerEgo 6:28 MacroPad Hotkeys II deckerego/Macropad_Hotkeys GitHub repository: An extensible hotkey macropad inspired by the Macropad Hotkeys example from the Adafruit Learning System Guide prcutler/awesome-macropad: A curated list of awesome applications, macros, 3D printed cases, guides, and more for the Adafruit rp2040 MacroPad. 8:59 Sleeping the Macropad screen 10:36 MacroPad 4 Chord MIDI Macropad 4chord MIDI 12:47 TallyCircuitPy and TallyOBS TallyOBS 15:12 The role CircuitPython can play in saving older hardware 17:20 Where to learn more about John https://www.deckerego.net 18:15 Which board? 19:53 Wrap-up Enjoying the show? You can now sponsor the show, learn more at www.circuitpythonshow.com. Thank you for your support!

Dan Cogliano 08.12.2025 15мин

Dan Cogliano joins Paul and they discuss Dan’s work with the Z Machine, which allows you to play Zork and other text adventure games. Follow the show on Mastodon or Bluesky. Show Notes 00:30 Dan’s start with computers 3:05 The EZ Make Oven 4:53 The Z-Machine 7:59 Challenges in creating the CP Z Machine 9:08 The game of Zork 11:00 CP Z Machine Learn Guide 11:15 Dan’s next game 12:29 Challenges working with graphics 13:37 Where to learn more about Dan BlueSky Dan’s Learn Guides Danthegeek.com Cleveland Museum of Art 14:27 Which board? 15:13 Wrap-up Enjoying the show? You can now sponsor the show, learn more at www.circuitpythonshow.com. Thank you for your support!

River Wang 24.11.2025 27мин

Paul welcomes River Wang to the show. River was a STEAM teacher before becoming a full time software developer 3 years ago. He created the CircuitPython Online IDE, a browser based platform that allows users to work on a CircuitPython project on the web or as a self-hosted website. Follow the show on Mastodon or Bluesky. Show Notes 00:00 Intro 00:29 River’s start with computers and electronics 3:42 River’s start with Python 4:31 Teaching 5:42 Discovering CircuitPython 9:18 Creating the CircuitPython Online IDE 13:04 How the CircuitPython Online IDE works 14:28 The challenges in building the CircuitPython Online IDE 20:34 Self-hosting the CircuitPython Online IDE 19:02 How the CircuitPython Online IDE helps educators 20:34 CircuitPython Online IDE’s key features 23:13 What’s next for the CircuitPython Online IDE 24:41 How to support the CircuitPython Online IDE 25:05 Where to learn more The CircuitPython Online IDE GitHub Repository YouTube Twitter Fosstodon 25:23 Which board? Enjoying the show? You can now sponsor the show, learn more at www.circuitpythonshow.com. Thank you for your support!

John Romkey 10.11.2025 28мин

John Romkey joins the show and shares his CircuitPython tool, circremote, what it does, how it works, how he used Cursor and Claude to help write it, and more. Follow the show on Mastodon or Bluesky. Show Notes 00:00 Intro 00:56 John’s start with computers and electronics 6:25 circremote 9:21 circremote clean and emacs support 12:22 circremote’s sensor support and AI 14:23 Cursor with VS Code and Claude 19:27 Sensor and device support in circremote 21:32 Community sensor work 26:16 Which board? Enjoying the show? You can now sponsor the show, learn more at www.circuitpythonshow.com. Thank you for your support!

Sam Blenny 27.10.2025 19мин

Sam Blenny joins the show and shares his work with the Fruit Jam, including USB Host, a Color Checker, a Gamepad tester, and more. Follow the show on Mastodon or Bluesky. Show Notes 00:00 Intro 00:24 Sam’s start with computers and electronics 5:34 Discovering CircuitPython Pumpkins vs Skeletons game 7:06 Working with the Fruit Jam and the Gamepad tester 9:24 USB Host MIDI Tester 11:12 The Fruit Jam Color Checker 13:49 USB Host USB Host Improvement Umbrella Issue Improve USB Host device error handling pull request USB Host buffers allocated in in internal RAM issue 16:42 Which board? Enjoying the show? You can now sponsor the show, learn more at www.circuitpythonshow.com. Thank you for your support!

Noe Ruiz 13.10.2025 14мин

Noe Ruiz joins the show and shares how he started learning design and 3D modeling, creating the Layer by Layer tutorials, designing CAD parts, and more. Follow the show on Mastodon or Bluesky. Show Notes 00:00 Intro 00:19 Getting started with computers and electronics 1:38 Learning design 4:38 Snap-fit enclosures 6:36 3D Hangouts Live in New York City Episode 1 8:28 Adafruit CAD Parts 12:05 Layer by Layer 13:35 Which board? Enjoying the show? You can now sponsor the show, learn more at www.circuitpythonshow.com. Thank you for your support!

John Fletcher 29.09.2025 15мин

In the kickoff of season 6, John Fletcher joins the show. John shares how he ported CircuitPython to web assembly, how it works, and how using Claude Code helped. Follow the show on Mastodon and Bluesky. Show Notes 00:00 Intro 00:23 John’s start with computers 4:07 John’s Discord nickname 5:05 CircuitPython and web assembly 6:43 How CircuitPython works in the browser 7:46 Advantages to using CircuitPython in the browser 9:25 Windows Subsystem for Linux 10:25 Using Claude Code 10:49 Managing the prompts 12:48 How to test CircuitPython in the browser The CircuitPython web-editor with web assembly 13:33 Where to learn more John’s GitHub repositories Enjoying the show? You can now sponsor the show, learn more at www.circuitpythonshow.com. Thank you for your support!

Justin Myers 19.05.2025 13мин

In the final episode of season 5, Justin Myers joins the show. Justin shares how he created the new connectionmanager library for networking in CircuitPython. Follow the show on Mastodon or Bluesky for news of when the show will return. Show Notes 00:00 Intro 00:21 Justin’s start with computers 1:11 Discovering electronics 2:15 Discovering CircuitPython 3:02 ConnectionManager 4:55 How does connectionmanager work? 7:10 What were the challenges in creating connectionmanager? 8:35 Software testing framework 11:21 Which board? 13:25 Wrap-up Enjoying the show? You can now sponsor the show, learn more at www.circuitpythonshow.com. Thank you for your support!

Cooper Dalrymple 05.05.2025 24мин

Cooper Dalrymple, who recently was a guest on the Audio Effects Panel Discussion, joins the show. He shares how he got started with electronics, his music background, what’s next for CircuitPython’s audio effects, and more. 00:00 Welcome 00:26 Cooper’s start with computers and electronics 1:31 Discovering CircuitPython 5:57 Cooper’s music background 8:18 Designing hardware 13:26 Advantages between CircuitPython and Arduino 19:03 What’s next in audio effects? 21:41 Learn more about Cooper Tindie Store YouTube GitHub 23:02 Which board? 24:04 Wrap-up Enjoying the show? You can now sponsor the show, learn more at www.circuitpythonshow.com. Thank you for your support!

Designing Games for CircuitPython with Tim "foamyguy" Cocks 21.04.2025 26мин

Tim Cocks, better known as foamyguy in the Adafruit community, shares his experiences in designing games for CircuitPython. Tim and Paul also discuss some recent games Tim has worked on. 00:00 Intro 00:16 Tim’s start with computers 1:48 Discovering CircuitPython 8:16 Challenges designing games for microcontrollers 13:16 1D Chomper 15:44 Blinka Says 18:58 Karel the Robot 23:24 Which microcontroller? 25:42 Wrap-up Enjoying the show? You can now sponsor the show, learn more at www.circuitpythonshow.com. Thank you for your support!

Audio Effects Panel Discussion 07.04.2025 33мин

Cooper Dalrymple, Jeff Epler, Mark Komus, and Tod Kurt join the show to discuss the new audio effects available in CircuitPython. 00:00 Welcome 00:19 Mark’s inspiration for adding audio effects 1:46 Mark’s drum gist 4:23 The new audio effects available in CircuitPython 8:02 LFOs 10:30 Synthio vs Audio Effects 11:36 MP3 Bass and Treble Control 12:48 The RP2350 17:34 RP2350 vs RP2040 18:11 Audio on Espressif 19:50 Guitar pedals 26:59 Future projects 29:59 CircuitPython Karaoke 30:42 CircuitPython Audio Effects Tricks 32:38 Wrap-up Enjoying the show? You can now sponsor the show, learn more at www.circuitpythonshow.com. Thank you for your support!

Project Collaboration with Liz Clark and Noe Ruiz 24.03.2025 29мин

Liz Clark and Noe Ruiz join the show and share how they collaborate on projects, where they get inspiration, and share some of their favorite projects. Follow the show on Mastodon or Bluesky. Show Notes 00:00 Intro 00:21 Project inspirations 4:17 Iterating on a project 6:09 Working together to improve a project 8:01 Noe’s favorite project - Adabot 9:41 Liz’s favorite project - the Midi Fighter 11:00 The MX Guitarr 15:12 The The CircuitPython Motorized Camera Slider 17:09 The Jack-o-lantern PropMaker 19:24 The NFC Rapsberry Pi Media Player 24:02 The RP2350 Audio Reactive Video Synth 29:18 Wrap-up Enjoying the show? You can now sponsor the show, learn more at www.circuitpythonshow.com. Thank you for your support!

Writing a CircuitPython Library for the Community Bundle 10.03.2025 34мин

Jan Goolsbey and Tod Kurt return to the show and share their experience in writing libraries and drivers for the CircuitPython Community Bundle. Follow the show on Mastodon or Bluesky and join our newsletter. Guests: Jan Goolsbey - Jan’s GitHub repositories Tod Kurt Tod’s GitHub repositories 00:00 Welcome 00:18 The CircuitPython Community Bundle 2:01 When is your code is ready for the bundle? 2:50 Creating a library using cookiecutter Creating and sharing a CircuitPython library Learn Guide 9:01 Documentation requirements 11:15 Submitting a library to the Community Bundle 14:22 Circup 15:37 Advice for someone sharing their first library 19:03 Can a library move to the Adafruit CircuitPython Bundle? 22:46 Licensing 24:10 Libraries Jan and Tod have written PaletteFader RuhRohRotaryIO 29:22 Hidden gems in the Community Bundle Atari Punk Console 34:17 Wrap-up Enjoying the show? You can now sponsor the show, learn more at www.circuitpythonshow.com. Thank you for your support!