Grove - dust / purity air sensor PM2.5 PPD42NS - 5V PWM

Sensor of dust allows you tomonitor the purity of the air. It is equipped with a sensor that can detectPM 2.5particles with a diameterabove 1 μm, such as cigarette smoke. The system is powered with the voltagefrom 4.75 V to 5.75 V, it communicates using aPWMsignal. The set has a cable withthe grove end.

The sensor has five pins, their description is in a table.

Potentiometers VR1 and VR3 are set by the manufacturer, and you should not use them.

• Supply voltage: 4.75 V to 5.75 V
• Current consumption: 90 mA
• Sensitivity: 1 µm
• Detection range:
  • from 0 to 28,000 pcs/liters
  • from 0 to 8000 pcs/0,01 cf
• Stabilization time: 1 min after turning on
• Communication: frequency PWM signal
• Operating temperature: 0 °C to 45 °C
• Operating humidity: up to 95 % RH
• Board sizes: 59 x 45 x 22 mm
• Weight: 24 g

• The website of the manufacturer: Seeedstudio101020012
• Wiki
• Documentation of the sensor PPD42NS