M5Stack PM2.5 Meter
2023-08-30 | By M5Stack
License: General Public License Bluetooth / BLE Environmental Wifi Arduino M5Stack
* Thanks for the source code and project information provided by @Patti U-aksorn
Since the end of last year (end of 2018), Thailand (Especially in Bangkok) has a wide awareness of air quality. It has been detected that PM values exceed the standard safety in many areas of Bangkok. For the average person, knowing the PM 2.5 level at the current position in real-time is difficult. Most people know the level of PM 2.5 from mobile apps only, which is not real-time and does not match the location, because in Bangkok there are few air quality measurement stations. In some areas of Bangkok, there is no air quality measurement station at all, so I wanted to create my own portable PM 2.5 meter.
Schematics
Wiring
SPS30
SPS30 Spec
https://www.digikey.com/en/products/detail/sensirion-ag/SPS30/9598990
Code