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  • MQ-2 Smoke Sensor for Arduino
  • MQ-2 Smoke Sensor for Arduino
  • MQ-2 Smoke Sensor for Arduino

MQ-2 Smoke Sensor for Arduino

$9.90

The MQ-2 smoke sensor reports smoke by the voltage level that it outputs. The more smoke there is, the greater the voltage that it outputs. Conversely, the less smoke that it is exposed to, the less voltage it outputs.