The CircuitPython Show

Hosted by Paul Cutler

Technology

Website RSS feed

Episodes

Latest episode

Aug 2026

Language

About the show

An independent podcast with the people in and around CircuitPython. Created and hosted by Paul Cutler.

Listen to episodes

60 recent

August 24, 202620 min

Scott Shawcroft Part 2

Scott Shawcroft, CircuitPython's project lead, returns to the show. Paul and Scott discuss CircuitPython's move to Zephyr, a look back at ten years of CircuitPython, what the future might hold, and more. Follow the show on Bluesky or follow Paul on Bluesky or Mastodon . Support the show! Join the Supporter tier and get early access to episodes, exclusive content, and more. Visit CircuitPythonshow.com/Support to learn more. Show Notes 00:00 Intro 00:39 CircuitPython and Zephyr 2:45 How is the progress moving CircuitPython to Zephyr? 3:30 How are LLMs helping? 7:08 Ten Years of CircuitPython 9:54 The Fruit Jam and the future of CircuitPython 14:03 RP2350 Gameboy Cartridge 18:13 Running a CircuitPython game on the cart 19:48 Wrap-up

August 10, 202621 min

Tod Kurt Part 3

Tod Kurt returns to the show and shares how to build custom CircuitPython firmware using GitHub Actions. Tod also shares SerialPlotster and his latest hardware creation. Show Notes 00:57 Using GitHub Actions to build CircuitPython 3:51 CircuitPython Custom on GitHub repository CircuitPython Custom configuration web page 9:24 The CLI display 10:37 Adding custom modules 11:42 How to run CircuitPython Custom 14:34 SerialPlotster Download 19:32 New hardware? 20:40 Creating synth engines 21:32 Wrap-up todbot.com The Bootloader

July 27, 202619 min

Michael Czeiszperger

Show Notes 1:22 Michael’s start with electronics 2:38 ScrollKit Scrollkit.dev 5:33 How ScrollKit works 7:08 Scrollkit’s hardware 8:09 How over-the-air-updates work 8:49 Graphics in ScrollKit 10:42 Challenges to overcome 15:09 The ScrollKit simulator 16:35 Theme Park Waits 17:33 What’s next for ScrollKit? 18:18 Which board? 18:51 Wrap-up Michael’s homepage

June 1, 202621 min

Michael "T-Rex" Kadie

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!

May 4, 202616 min

Tom Fox

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!

April 20, 202637 min

Developing for the Fruit Jam

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!

April 6, 202614 min

Physical Computing - Interactive Art, Robotics, & Tech for Good

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!

March 23, 202630 min

John Park

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!

March 9, 202622 min

The Open Pressure Sensor Device

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!

February 23, 202618 min

Sean Carolan

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!