Flipper Zero

The Flipper Zero is an awesome electronic multi-tool that is fun to hack on and make things with.

(I was backer 28,621 on the Kickstarter campaign)

photo of assembled CO2 sensor module reading 802 ppm connected to the Flipper Zero

Updated Flipper Zero CO2 Monitor

Well, I finally got around to updating my CO2 Monitor to take advantage of the latest APIs in the Flipper Zero firmware. (It wasn’t quite as bad as I thought it would be 😅) Now it even has its own application icon!

Manually calibrating the Sensiron SCD30 CO2 gas concentration sensor

I picked up an Aranet4 Home CO2 sensor on a Black Friday sale and have finally had the chance to run a commercially-calibrated CO2 sensor against my DIY CO2 monitor on the Flipper Zero and found that my sensor needed some calibration.

Prototyping a real CO2 monitor on the Flipper Zero

Updated January, 12, 2023

Prototyping a volatile organic compound (VOC) and CO2 monitor on the Flipper Zero

I’ve been playing with environment sensors for a while to help me understand how factors of air quality correlate to my health. In 2019, I had a particularly bad asthma attack that was exacerbated by wildfires in California. Since then, I’ve learned a lot about how 2.5 micron particulate matter...