Notes from the May 19, 2020 FLUX Presentation
https://github.com/kwanlowe/digitalhermit_website/tree/master/linux/arduino/micropython
https://youtu.be/jh_6Xafd0nk
Some high-level notes on building a CO2 monitor using an ESP8266 and an off-the-shelf sensor.
Slide deck from my talk at the local Linux LUG. This was a few years ago and I've since done quite a bit more with the Arduino platform.