Gas – Carbon Monoxide Sensor MQ-7

This is a simple-to-use Carbon Monoxide (CO) sensor, suitable for sensing CO concentrations in the air. The MQ-7 can detect CO concentrations anywhere from 20 to 2000ppm.

Datasheet

Wiring example (works in Arduino too)

  • Written by tomtom.
  • Posted on February 18, 2011.