Do you know the working principle of pm2.5 sensor？
PM2.5 sensor is also called dust sensor, dust sensor. PM2.5 sensor is also to call dust sensor, dust sensor. It can be to use to detect the dust concentration in the air around us, that is, the value of PM2.5. Aerodynamically, the dust that can enter the alveolar area with a diameter of less than 10 μm is usually…