26:05

S05:E44 Apr 21, 2025

Designing Games for CircuitPython with Tim "foamyguy" Cocks

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

33:18

S05:E43 Apr 7, 2025

Audio Effects Panel Discussion

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

29:37

S05:E42 Mar 24, 2025

Project Collaboration with Liz Clark and Noe Ruiz

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

34:47

S05:E41 Mar 10, 2025

Writing a CircuitPython Library for the Community Bundle

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

21:39

S05:E40 Feb 24, 2025

Building CircuitPython with Dan Halbert

CircuitPython core developer Dan Halbert joins the show and shares how to build CircuitPython from source. Dan was previously a guest on episode 28. Follow the show on Mastodon or Bluesky and join our newsletter. 00:00 Intro 00:24 When would someone want to build CircuitPython? 2:23 The pre-requisites for building CircuitPython and the Building CircuitPython Learn Guide 5:15 Building for different hardware ports using git submodules 6:46 Usage of Python in the build process and virtual environments 9:11 Asking for help in the Adafruit Discord 9:34 Adding a new board to CircuitPython and How to Add a Board Learn Guide 13:58 Obtaining a vendor ID and product ID 16:49 Adding the board to circuitpython.org and its Learn Guide 18:13 Advice for building CircuitPython (XKCD) 21:10 Wrap-up

30:23

S05:E39 Feb 10, 2025

Designing a PCB with Bradán Lane

Welcome to a new episode of The CircuitPython Show! Bradán Lane joins the show for a second time and shares his process, tips, and tricks for designing a PCB that uses CircuitPython. We’re now on Bluesky! 00:00 Welcome Bradán Lane homepage Bradán on The CircuitPython Show episode 19 00:24 Recommended tools EasyEDA KiCad 2:54 Where to start when designing a board? 4:24 Finding open source hardware examples and schematics Adafruit Solder Party 7:02 Designing a board to support CircuitPython 9:00 The board layout and its constraints 12:28 Creating a feature board aka the kitchen sink 14:12 Picking out parts and components 17:14 Placing parts on the board 19:19 Advice for new board designers 20:37 The DC NextGen Graffiti Badge 25:28 Getting CircuitPython to run on a board 29:39 Wrap-up

31:34

S05:E38 Jan 27, 2025

Building a weather system with Jan Goolsbey

Jan Goolsbey joins the show for his second visit. He shares how he built a weather monitoring system using sensors, weather APIs, display devices, CircuitPython, and Adafruit IO. Jan was previously a guest on episode 33. The CircuitPython Show is now on Bluesky! Show Notes 00:00 Intro 00:16 Welcome Jan 00:28 The start of the weather system 2:09 How to solve the corrosion problem 4:50 Internet connected sensors with a PyPortal and Adafruit IO 7:43 Adding external weather conditions from an API to Adafruit IO 9:47 Evolving into a combined weather system 12:40 Discovering Apple WeatherKit integration in Adafruit IO+ 14:00 Version 1 of the weather system architecture 14:52 What were the challenges in the new architecture? 17:20 Multiple display devices and Adafruit IO throttling 20:55 Version 2 architecture: Remix 22:34 The user interfaces 27:09 What’s next? 29:09 Wrap-up Correction: Jan referred to Jerry Needell as working at Apple instead of Adafruit. Follow Jan on Bluesky. View Jan’s projects on the Adafruit Playground.

23:53

S05:E37 Jan 13, 2025

Aaron Pendley

The CircuitPython Show returns! To kick off season five, Paul welcomes Aaron Pendley, who is known by squid.jpg in the Adafruit community. They discuss how Aaron got started with computers, how he discovered CircuitPython, and a number of his projects. Follow the show on Mastodon or Bluesky. Show Notes 00:25 Welcome Aaron and his start with computers 4:23 squid.jpg 5:18 Discovering CircuitPython 8:03 The Top-Secret Lunchbox 12:11 The Zapper lights / sound mod 16:24 The Wii Nunchuk USB Adapter 17:22 The WiFi Matrix Keypad Remote 20:02 Sparkle Specs firmware for Adafruit LED Glasses 22:44 Which microcontroller? 23:33 Wrap-up Follow Aaron on Bluesky Visit Aaron’s Adafruit Playground page