Particulate pollution measurement based on ESP-32

As Hackaday writer Lewin Day said: "Air pollution will not only cause smog in big cities, but may also harm people's health, especially people with fragile respiratory systems." Indeed, the main cause of harmful pollution is particulate matter. Made up of tiny solid particles suspended in the air. Particle pollution levels are now of great concern to health organizations around the world, so it’s no wonder that the inquisitive folks in the maker community are coming up with environmental solutions to the problem. This article specifically introduces a monitoring platform established by network engineer Nir Huri.
Nir Huri's device uses the SDS011 sensor to measure particulate matter. The device uses laser technology to determine PM2.5 and PM10 particle pollution levels by detecting light scattered by particles in the air. Espressif's ESP32, with its excellent onboard network capabilities, serves as the "brain" for Nir Huri device operation. This makes remote monitoring of the system easy, and the data will be uploaded to Cacti's system process, which will do the recording and plotting.