The Grove - Laser PM2.5 Sensor (HM3301) is a new generation laser dust detection sensor used for continuous and real-time detection of airborne dust. With its stable performance, low noise and ultra-low power consumption, it is suitable for air conditioners, smart air purifiers and other IoT projects related to air quality. Main Features https://elecena.pl/product/22093568/101020613-arduino-laser-dust-sensor-hm3301 2022-11-18 https://elecena.pl/product/22093568/101020613-arduino-laser-dust-sensor-hm3301 2023-04-28 https://elecena.pl/product/22093568/101020613-arduino-laser-dust-sensor-hm3301 2023-08-23 https://elecena.pl/product/22093568/101020613-arduino-laser-dust-sensor-hm3301 2026-02-20