PM2.5-monitor

Build air quality monitor of PM2.5 (fine particles) with low-cost sensor and ESP32/ESP8266

v1. Easy - peasy

Schematics:

Inside:

Parts:

1. PMS7003 (my choice), also works with PMS5003. Other dust sensor works as well, subject to change of the code
2. ESP8266 (WeMos D1 mini)
3. Lithium battery protection + boost-up board (5V)
4. OLED display

v1.1 Logging data via MQTT

Publish data to open MQTT server - HiveMQ.com

Publish data to a home MQTT server

• Capture data by a Python script
• Convert data in a list of dictionary to a CSV file

Tutorials:

See it on my personal website b-io.info