MQ7 Gas Sensor (Carbon monoxide)

Sensitive for carbon monoxide

Output voltage boosts along with the concentration of the measured gases increases

Fast response and recovery

Adjustable sensitivity

Signal output indicator

Specifications

Power: 2.5V ~ 5.0V

Dimension: 40.0mm * 21.0mm

Mounting holes size: 2.0mm

Applications

Carbon monoxide monitor

How to Use

In the case of working with a MCU:

VCC ↔️ 2.5V ~ 5.0V

GND ↔️ power supply ground

AOUT ↔️ MCU.IO (analog output)

DOUT ↔️ MCU.IO (digital output)