Smoke sensor MQ2 (Digital/Analog)


EGP45.00

This smoke sensor module with MQ2 Smoke sensor have both digital and analog outputs , you also can adjust the sensitivity with the potentioneter.

PIN Connection

4 pins as follows:

  • VCC    (5 V)
  • GND (ground)
  • Aout (Analog output)
  • Dout (Digital output)

When connect to arduino, use digital pins in digital mode (high or low) and use analog pins for analog mode (diffrenet value for different smoke intensity).

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