Air Quality Sensor – PM2.5, PM10 – Open Electronics

This module uses the principle of optical LASER light scattering to measure the concentration of particulate matter (PM2.5 and PM10) in the air. It consists of a LASER diode, a photodiode, a microcontroller, a low-noise amplifier and a suction fan.
The suctioned air passes through the detection chamber, where the LASER light striking the suspended dust particles is scattered in all directions and trans

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