Description

The MQ-7 Gas Sensor Module is designed to detect Carbon Monoxide (CO) concentrations in the air. It’s ideal for indoor air quality monitoring, smart home safety, and industrial applications.

With both analog and digital outputs, the MQ-7 easily interfaces with microcontrollers. It features high sensitivity, fast response, and an adjustable potentiometer for sensitivity calibration.

Features:

1. Detects Carbon Monoxide gas (CO)

2. Fast response and stable output

3. Analog voltage output and digital threshold output

4. Long life and low cost

5. Adjustable sensitivity using onboard trimmer

Specifications:

• Operating Voltage: 5V DC

• Detection Range: 10 – 1000 ppm CO

• Output Type: Analog + Digital

• Heater Resistance: ~33Ω ±5%

• Warm-up Time: ~60 seconds

• Operating Temperature: -10°C to 50°C

• PCB Dimensions: ~32mm x 20mm

Package Includes:
1 x MQ-7 Gas Sensor Module