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MQ-7 Carbon Monoxide Gas Sensor Module

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Product Description

The MQ-7 is a Carbon Monoxide (CO) sensor.

Technical parameters:

  • Size: 32X22X27mm
  • Main Chip: LM393, ZYMQ-7 gas sensor
  • Operating Voltage: 5VDC
  • Input Voltage: 5VDC
  • Power: 150mA (note that the heater must be on for at least 30 seconds before readings are valid)
  • DO Output: 0 or 5V. Trigger level is set using the onboard potentiometer
  • AO Output: 0-5V depending on the quantity of CO present. See datasheet for details

MQ-7 Datasheet

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