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Deep Dive w/Scott: CircuitPython displayio on Zephyr

Deep Dive w/Scott: CircuitPython displayio on Zephyr

Adafruit Industries

February 27, 2026

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Show Notes

Join Scott as he shows off displayio support in CircuitPython's Zephyr port both in the native simulator and on real hardware. He'll also answer any questions folks have. Tim will host next week. Thanks Tim! Thanks to dcd for time codes: 0:00 Getting started 1:06 Hello everyone - welcome to Deep Dive - circuit python on microcomputers 4:00 Scott out of town next week - Tim to take Deep Dive next week ( anti-aliasing support ? ) 5:20 Using LLMs to experiment 7:00 USB-IP to get USB into a virtual machine - commit to github tannewt:follow_zephyr_main 11:54 in "left field" - async i2C ( ask "pi", pi.dev ) 16:00 STM32 development board 17:00 pi.dev diversion 19:04 getting displays working... 21:10 zephyr_display2 running circuit python ( till it crashed ) 22:39 return to a STM32 development board - where it works 24:00 zephyr debugging tools ( gdb, west debug) 26:50 zed / kate / sublime text startup times 30:00 headless simulator changes 33:30 git repo local/remote hacking... 35:00 working on crash debugging in parallel 38:50 native simulation with address sanitizer 43:45 future for CP - webdav ? 46:15 "big dell" monitor 49:57 looking at the LLM usage 52:20 the build failed 53:45 using pi to fix the CI for the build 59:00 Look at what pi fixed ? 59:24 wrapping up 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/ -----------------------------------------