Japan SHARP infrared digital dust sensor PM2.5 sensor - GP2Y1026AU0F
GP2Y1026AU0F air quality PM2.5 detection is an optical air quality sensor, i.e., PM2.5 sensor. Inside, an infrared light-emitting diode and phototransistor are placed diagonally, allowing it to detect reflected light from dust in the air. Even very fine particles like tobacco smoke can be detected, commonly used in air purification systems