The Bootloader

Tod and Paul take a look back at the last year and share some of their favorite CircuitPython projects and features. This is a replay of The Bootloader's livestream on the Adafruit YouTube channel on CircuitPython Day. It has been slightly edited and we do use screensharing, so you may want to check out the video on YouTube.Show Notes00:00 Intro00:57 CircuitPython in the last year1:24 CircuitPython 10 Audio EffectsTing alternate CircuitPython voice effects firmware4:24 CircuitPython 10.1 and 10.2 updates4:37 MicroPython and upstreamMicroPython home page5:03 The Adafruit Fruit JamAdafruit Fruit Jam Learn GuideFruit Jam OS5:27 Sean Carolan’s Pac-Man CloneSean on The CircuitPython Show6:24 Dan Cogliano’s Z Machine and Zork8:20 Dan Cogliano’s Fruit Jam ScreensaversMoon Miner9:14 Liz Clark’s Fruit Jam Video Music PlayerAtari Video Music original hardware11:41 picogame by Vladimir SmitkaWrite-up of picogame on chiptron.eu16:24 Lorraine’s Autonomous LEGO Train with CircuitPython and LIDARAmazon LIDAR example or dfrobotPython code for Raspberry Pi19:42 RV Circuit Studio by Armstrong Subero24:11 Liz Clark’s Chiptune PlayerCircuitPython AY8912 libraryVGM fan websites27:31 PicoTTYEmbedded Systems News story30:30 Wrap-up

In this episode, Tod and Paul share everything you wanted to know about USB, what's new in CircuitPython, a retro MP3 player, and more.Follow the show on BlueSky.00:19 Understanding USBKnow what your USB-C cable can really doRD TC66 USB TesterTreedix USB Cable TesterLinux lsucpd6:13 Terry GodierA Room You Can’t See video essaySome Decisions Aren’t Supposed to be Optimized video essayTerry on MastodonTerry on BlueskyHome pageCurrent RSS Reader10:19 CircuitPython Updates16:55 AP30 Music Boy MP3 PlayerAP30 Music Boy Kickstarter page19:11 awesome-selfhostedawesome-selfhosted23:09 LibrePods and Sony Head TrackerLibrePodsTom’s Hardware coverate of Sony Head TrackerSony Head Tracker on GitHub25:11 CircuitPython Day 2026 and wrap-upCircuitPython Day schedule

Paul and Tod share a new CircuitPython IDE, a new selling platform for makers, Space Cadet Pinball, and more. Follow the show on Mastodon or Bluesky. Show Notes 00:00 Intro 00:19 RV Circuit Studio RV Circuit Studio GitHub page with download links 4:20 The curse of being a production maker About SmallRun SmallRun FAQ SmallRun Discord SmallRun on BlueSky RetroDisks, Aron’s store on SmallRun todbot store on SmallRun.net todbot store on Lectronz.com todbot store on Tindie.com 10:00 Bambuddy Home Page GitHub repository Live demo 13:28 Mechanical Space Cadet Pinball Machine CNCDan “I’m building a Space Cadet Pinball Machine” pt1 CNCDan “I’m building a Space Cadet Pinball Machine” pt2 Technology Connections video about EM pinball Play Space Cadet Pinball online Decompilation of Space Cadet Pinball source 16:23 ListenBrainz all the things Listening Post: a macOS app that listens in the background and submits your listening history to Shazam and Last.fm or ListenBrainz ListenBrainz widget: Embed an iFrame in a website to show what you’re currently listening to ListenBrainz autoposter - Every month share your top listens to social media ListenBrainz to Bluesky - Automatically update your Bluesky profile with your last listened to track 18:28 BC250 The Budget E-waste Steam Machine Bless The BC250, The Budget E-waste Steam Machine $100 Steam Machine GPU Unlocked! PS5 APU (ASRock BC-250) BC250 cases on Makerworld BC250 wiki Enjoying the show? You can now sponsor the show, learn more at www.circuitpythonshow.com. Thank you for your support!

Paul and Tod are back and discuss a nostalgia archive on the web, Web Serial in Firefox, real time OSes, a follow-up to last episode’s story on Parachord, and more. Follow the show on Mastodon or Bluesky. We have stickers! Request a free sticker here. (US Only, sorry!) Show Notes 00:00 Welcome 00:20 FreeMediaHeckYeah “freemediaheckyeah“ 3:34 Flipper One Flipper Zero All the fun things to do with a Flipper Zero Flipper One Collabora’s work on the Flipper One 8:55 You Don’t Need an RTOS You Don’t Need an RTOS Part 2 Part 3 Part 4 15:22 Web Serial comes to Firefox Mozilla WebSerial announcement Mozilla engineering blog post about WebSerial 17:40 USB Probester USB Probester GitHub repository 23:17 Achordion, a Parachord follow-up Parachord Achordion announcement Achordion Community Layer Paul’s Achordion profile MusicBrainz Last.fm goes independent Paul’s SongMatrix project Enjoying the show? You can now sponsor the show, learn more at www.circuitpythonshow.com. Thank you for your support!

Paul and Tod discuss a new review site for dev boards, add textures to your 3D prints, an open source music player, and more. Follow the show on Mastodon or Bluesky. We have stickers! Request a free sticker here. (US Only, sorry!) Show Notes 00:00 Intro 00:20 OpenBoardsGuide.com Ventuno Q Review Arduino Nesso N1 review Pimoroni Badeware Tufty review Straithe’s BlueSky comment 4:49 BumpMesh.com CNC Kitchen’s video about BumpMesh CNC Kitchen Youtube channel 8:10 Parachord Parachord 11:51 SerialPlotster SerialPlotster 18:19 picoCAD2 picocad.net Feature trailer on YouTube Learn picoCAD 2 in 5 minutes picoCAD 2 manual 21:13 Wave Overhangs Print steep overhangs without supports Hackaday article WaveOverhangs fork of OrcaSlicer Original LaSO thesis work by Rieks Kaiser 25:49 Wrap-up Enjoying the show? You can now sponsor the show, learn more at www.circuitpythonshow.com. Thank you for your support!