MQ-7 Gas Sensor Module for Carbon Monoxide

Fr 7,800.00

MQ-7 carbon monoxide sensor module allows for the sensing of CO concentrations in the air. This module can detect CO gas concentrations from anywhere between 20 and 2000ppm.

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The sensor is highly sensitive and has a quick response time. It uses analogue resistance as an output and is extremely easy to connect with the use of Arduino.


  • Operating Voltage is +5V
  • Can be used to Measure or detect CO
  • Analog output voltage: 0V to 5V
  • Digital Output Voltage: 0V or 5V
  • Stable, Long life and Low Cost
  • Fast Response time
  • Heater consumption about 350mW
  • The Sensitivity of Digital Output pin can be varied using the potentiometer


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