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Adafruit Industries · September 18 · 1 hr 3 min

Deep Dive w/Scott: Testing Pin Muxing

Join Scott as he recaps debugging the new Zephyr pin muxing functionality. He'll also answer any questions folks have. Visit the Adafruit shop online - http://www.adafruit.com Thanks to dcd for timecodes: 0:00 Getting started 3:00 see last week for intro to pin muxing 3:50 i2c on the nrf54lm20 - asking LLM 5:34 adafruit circuit python (CP) github pull requests 6:25 review cool use of LLMs this week #11405 and issue #5276 ( code space saving! ) 11:04 explore Zephry I2C issues 13:14 review changes for zephyr pin muxing 17:26 check out the LLM build I2C sample - confirm that I2C not working 20:15 try with msa301 ( https://www.adafruit.com/product/4344 ) 23:45 Adafruit Clue board example microprocessor 32:50 test I2C from Circuit Python in code.py 36:00 convert stema qt to alligator 48:00 display de-init cleanup / bulk reset lifetime 58:00 CP turbo https://hackaday.com/2026/09/18/hackaday-podcast-episode-387-superhuman-clocks-can-in-usb-c-and-the-joys-of-bare-metal/ 1:00:19 wrap up ----------------------------------------- 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/ -----------------------------------------

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Join Scott as he recaps debugging the new Zephyr pin muxing functionality. He'll also answer any questions folks have.

Visit the Adafruit shop online - http://www.adafruit.com

Thanks to dcd for timecodes:
0:00 Getting started
3:00 see last week for intro to pin muxing
3:50 i2c on the nrf54lm20 - asking LLM
5:34 adafruit circuit python (CP) github pull requests
6:25 review cool use of LLMs this week #11405 and issue #5276 ( code space saving! )
11:04 explore Zephry I2C issues
13:14 review changes for zephyr pin muxing
17:26 check out the LLM build I2C sample - confirm that I2C not working
20:15 try with msa301 ( https://www.adafruit.com/product/4344 )
23:45 Adafruit Clue board example microprocessor
32:50 test I2C from Circuit Python in code.py
36:00 convert stema qt to alligator
48:00 display de-init cleanup / bulk reset lifetime
58:00 CP turbo https://hackaday.com/2026/09/18/hackaday-podcast-episode-387-superhuman-clocks-can-in-usb-c-and-the-joys-of-bare-metal/
1:00:19 wrap up

-----------------------------------------
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/
-----------------------------------------

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