Deep Dive w/Scott: CircuitPython on nRF54LM20A

Deep Dive w/Scott: CircuitPython on nRF54LM20A

Author: Adafruit Industries March 21, 2026 Duration: 1:03:33
Join Scott as he shows off CircuitPython on the new nRF54LM20A, talks about how Claude Code continues to change the way he works and answers any questions folks have. Tim will fill in for Scott next week. Check out his Tuesday Deep Dives at 11am Eastern US. 0:00 Getting started 1:14 Hello and welcome to deep dive 2:22 NRF 54 lm20A demo running micropython 3:30 also shown adafruit Edge Badge AKA pygamer 4:20 ( Tim filling in next week / no Scott ) 5:05 nRF54LM20A bluetooth capable with NVM ( resistive RAM ) 7:00 nRF54H20 high power version 10:10 bringing it up with Zephyr 13:10 connect up the board - investigate warnings 14:30 discuss performance difference between CP on Zephyr vs native on board 16:00 SMP support (in future?) 17:30 Mixed feelings about Zephyr - startup, kconfig, device tree 18:30 LM20A - no bluetooth support in Zephyr yet 19:20 USB works, but note USB HID under zephyr 20:00 zephyr native simulator 21:15 support from LLMs does help 22:00 github actions 24:30 review issue #13803 29:00 using Salea logic analyzer / perfetto with agents 31:05 gifourchette https://github.com/tannewt/gitfourchette/tree/tannewt 35:50 worktree support also added / future change github integration / CI status 40:54 mailbag - m5stack PoE P4 - usb-ip access 44:50 m5stack Dial and Tab5, and M5 paper 48:06 xteink - magnets for phone 49:40 ST C562 nucleo with usb / and another board from ST 50:56 NXP IMX RT1180 - rt1186 lower cost dev board with 4 ethernet ports - 800MHz 54:00 zephyr supported board list 55:00 stm32 n657 59:05 i2c knobs - multimaster - to avoid polling - i3c may help 1:01:40 wrap up - out next week - thanks to Tim Visit the Adafruit shop online - http://www.adafruit.com ----------------------------------------- LIVE CHAT IS HERE! http://adafru.it/discord Subscribe to Adafruit on YouTube: http://adafru.it/subscribe New tutorials on the Adafruit Learning System: http://learn.adafruit.com/ -----------------------------------------

Tune into Adafruit Industries for a direct line to the workbench. This isn't a polished lecture series; it's the sound of making things happen, coming straight from the company's factory floor in New York City. You'll hear the real-world process of bringing do-it-yourself electronics to life, with all its experimentation and discovery. Each episode is a deep dive into practical, open-source projects that demystify technology and empower you to build your own. The conversations and demonstrations focus on turning concepts into tangible creations you can actually make at home, stripping away the intimidation factor of hardware and coding. Hosted by the team at Adafruit Industries, this educational podcast serves as an audio companion to their extensive video library, offering context, stories, and insights behind the builds. It's for anyone with a curiosity about how their gadgets work and a desire to roll up their sleeves and learn by doing. Expect a friendly, inclusive, and hands-on approach to electronics education that feels more like a collaborative workshop than a formal class.
Author: Language: English Episodes: 100

Adafruit Industries
Podcast Episodes
Deep Dive w/Scott: CircuitPython in Zephyr native simulator [not-audio_url] [/not-audio_url]

Duration: 0:00
Join Scott as he shows off CircuitPython running locally in the Zephyr native simulator and discusses how it provides a feedback loop for LLM agents. He'll also answer any questions folks have. Thanks to dcd for the time…
John Park's Workshop Live 2/19/26 [not-audio_url] [/not-audio_url]

Duration: 46:19
John Park's Workshop Live 2/19/26 Projects JPPPoW recap CircuitPython Parsec Learn Guide tool tips gear report and more! Visit the Adafruit shop online - http://www.adafruit.com -----------------------------------------…
3D Hangouts –  Lamps, Frames and Fidgets [not-audio_url] [/not-audio_url]

Duration: 0:00
This week @adafruit released the stained glass lamp using the CircuitPlayground Bluefruit. Looking at some prototyping and work in progress. This week’s time lapse features a mechanical fidget with helical gears. Stained…
Professor Bubbleton's Breathing Head in A Jar - DIY Tutorial [not-audio_url] [/not-audio_url]

Duration: 0:59
Step right up and behold Professor Bubbleton’s Breathing Head, a curious apparatus to keep your audience on the edge of their seats. A submerged head rests under theatrical LED illumination sealed inside a clear apotheca…
Stained Glass Lamp [not-audio_url] [/not-audio_url]

Duration: 2:10
Build a stained glass inspired lamp with tap and Bluetooth controls. Guide: https://learn.adafruit.com/stained-glass-lamp Use translucent filament to give the shades a stained glass effect. This project features light me…
CircuitPython Weekly Meeting for February 17, 2026 [not-audio_url] [/not-audio_url]

Duration: 32:51
Notes document is available here, with timecodes: https://github.com/adafruit/adafruit-circuitpython-weekly-meeting/blob/main/2026/2026-02-17.md Join here for the chat all week: http://adafru.it/discord The CircuitPython…
Triple Helical Gear Fidget [not-audio_url] [/not-audio_url]

Duration: 1:00
Cross-Axis Triple Helical Gear Fidget Spinner By AbyssalCactus https://makerworld.com/en/models/2293153-cross-axis-triple-helical-gear-fidget-spinner Bambu X1C PolyMaker PLA 02hr 18mins X:29 Y:29 Z:35mm .2mm layer / .4mm…