In this episode, Tod and Paul discuss the recent Hackaday Supercon, including a talk and a workshop, Microsoft open sources Zork, the return of 80s style computer magazines, and more.

Follow the show on Mastodon or Bluesky.

We have stickers! Request a sticker here.

• Supercon 2025

• YouTube playlist

• Jeff Geerling’s video review

• Using arduino-app-cli on Uno Q by Shawn Hymel

• Uno Q user manual

• Radxa X4 SBD w/ RP2040 MCU

• Covert Regional Communication with Meshtastic by Daryll Strauss

• Supercon 2025 Badge

• Solder Party Keebdeck

• Makerfabs ESP32 UWB

• Getting started with ESP32 UWB

• Build UWB Position system w/ ESP32 & Qorvo DWM3000

• Microsoft announcement

• Andrew Blotkin’s blog: Zork is now open source

• GitHub repository with source code

• Z-Machine for CircuitPython Guide

• Let’s Design an RP2040 Devboard! by Kai

• project github repo

• Hackaday discussion

• DocType magazine

Enjoying the show? You can now sponsor the show, learn more at www.circuitpythonshow.com. Thank you for your support!

Liz Clark joins the show for a second time. Liz, Paul, and Tod each share two things they found interesting including remoting in to a Raspberry Pi, code as PCB design, an open source ereader, and more.

Follow the show on Mastodon or Bluesky.

00:00 Welcome

00:20 Stickers!

• Request a sticker

00:31 Welcome Liz Clark

00:53 Raspberry Pi Connect

• Raspberry Pi Connect Documentation
• Raspberry Pi Connect

4:24 The Open Book Touch

8:39 Atopile

• atopile homepage
• atopile package repo
• Vibe-coding a PCB
• KiCad schematic design blocks

16:32 Midi Baby Gen 4

18:44 GameTank

• GameTank.zone
• CrowdSupply campaign
• GitHub repository
• Emulator
• Discord Server

21:49 Tiles from Bergsonne Labs

• About Tiles
• Tile Reference Sets
• Tile library

25:32 Wrap-up

Paul and Tod discuss speeding up a Raspberry Pi, parts management with Inventree, product reviews, synths, and more.

Follow the show on Mastodon or Bluesky.

00:00 Intro

00:23 Make Your Raspberry Pi Faster

5:13 Inventree

7:59 Framework 12 Laptop

15:18 Channels

19:26 Mutable Instruments ported to the Pico

23:38 3D Printable and Dissolvable Circuit Boards

This episode is a replay of The Bootloader’s live CircuitPython Day 2025 show from August 15th, 2025 hosted on Adafruit’s YouTube channel. The episode has been lightly edited.

Follow the show on Mastodon or Bluesky.

00:00 Intro

00:26 Welcome

1:02 Thank you Anne Barela

• Subscribe to the Python on Hardware newsletter

1:46 CircuitPython Fonts

• CircuitPython fonts repository with circup instructions
• CircuitPython BDF & PCF font Learn Guide
• CircuitPython font code shown

6:57 CircuitPython v2 extension for VS Code

• CircuitPython VS Code extension v1 by Joe Devivo
• CircuitPython v2 for VS Code by Will Merkens
• CircuitPython v2 for VS Code source code

11:40 Fruit Jam USB Host MIDI Tester

• Fruit Jam USB Host MIDI Tester
• Fruit Jam Portable MIDI Synth
• Fruit Jam USB Gamepad Demo

15:52 Fruitris

• Cooper Dalrymple’s homepage
• Fruitris on Adafruit Playground
• Fruitris GitHub repository
• Fruitris blog post
• Fruitris demo on Show & Tell
• Cooper on The CircuitPython Show May 5th, 2025

19:37 CircuitPython Workflows

• https://docs.circuitpython.org/en/latest/docs/workflows.html
• https://code.circuitpython.org/

In this episode, Tod and Paul welcome John Park to the show. They discuss a floppy disk MIDI boombox, live-coding music, RP2350 as a mini-computer, and more.

Follow the show on Mastodon or Bluesky.

00:00 Intro

• Joséphine Wolf Oberholtzer, creator and maintainer of Supriya

00:54 Floppy Disk Midi Boomboxes (John #1)

• Vintage:
  • Roland MT-80S
  • Roland MT-300S
  • Yamaha MDP-10
• DIY:
  • MIDI Blaster by Luke.the.maker and build instructions and pre-built
  • MT-420 by Jonas Bengtson

9:04 AlgoRave (Tod #1)

• DJ_Dave:
  • Instagram reels:
    • https://www.instagram.com/p/DL0P-2WusOO/
    • https://www.instagram.com/p/DIKC6D6SpQM/
  • TikTok
  • YouTube livestreams
• Strudel
  • Originally mentioned in Bootloader Episode 2 back in Oct 2022
• Awesome livecoding list

14:00 The RP2350 Mini-Computers are here

• Adafruit Fruit Jam
• Olimex RP2350pc

18:39 CyberBricks

24:28 KiCad cli and diff viewer

• kicad-cli
• Tod’s visual diff shell script

28:56 Commodore 64 Ultimate

31:48 Wrap-up

Tod and Paul discuss a MIDI chip, an epic rant, a love letter, and more.

Follow the show on Mastodon or Bluesky.

00:00 Welcome

00:17 SAM2695 General MIDI chip

• Seeed XIAO MIDI
• M5stack w/ speaker
• M5stack w/ MIDI in/out
• DIYElectroMusic articles
• SAM2695 datahsheet
• Tod demo on Adafruit Show-n-Tell

3:51 Supercollider and Supriya

• Supercollider synth engine
• Supriya Python API
• Supriya subreddit

5:47 The STM32 rant

12:18 A love letter to embedded engineering

• Prof. V. Hunter Adams’ November 2023 lecture, “Why I love building things with microcontrollers.”

16:10 Alternate music keyboard layouts

20:09 Spintronics

22:47 Wrap-up

Paul and Tod discuss tariffs, desoldering tricks, a classic arcade game, and more.

Follow the show on Mastodon or Bluesky. Follow Paul on Mastodon or Bluesky. Follow Tod on Mastodon or Bluesky.

For detailed show notes and transcripts, visit TheBootloader.net

00:00 Welcome

00:17 Tarriffs are Bullshit

6:00 Desoldering Tricks

10:21 Philips Fixables

12:45 Resurrecting Sinistar

15:36 Kiwix

17:56 Euroknob

21:40 Wrap-up

Welcome to a new episode! Tod and Paul chat about woodworking, MP3 players, a CircuitPython synthio tutorial, and more.

Follow the show on Mastodon or Bluesky.

00:00 Intro

00:12 Hyperwood

2:34 Synology NAS devices

7:27 TRMNL WiFi ePaper display

11:29 Rockbox 4.0

• Paul incorrectly stated 2022 as the year of the first Rockbox release. It’s 2002 and we regret the error.

13:02 CircuitPython synthio tutorial

16:05 mobygratis

18:13 Wrap-up