MQ-7 Gas Sensor Module for Carbon Monoxide

RWF 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.


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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