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25mm long Focal length
the corresponding upper computer is provided to allow you to conveniently read data by a PC
LED Strip
1x CPU: STM32F750N8H6 (64KB FLASH
with a resolution of 250 x 122
Gravity: Laser PM2.5 Air Quality Sensor For Arduino 100x 25mm long Focal lengthDescription PM2. 5 laser dust sensor is a digital universal particle concentration sensorit can be used to obtain the number of suspended particulate matter in a unit volume of air within 0. 3 to 10 microns, namely the concentration of particulate matter, and output with digital interface, also can output quality data of per particle. The sensors can be embedded in a variety of concentrations of environment related instruments suspended particulate