The MQ-7 Gas Sensor Module is designed for detecting carbon monoxide (CO) concentrations in the air. It is ideal for indoor safety systems, IoT-based gas monitoring, and microcontroller projects. Featuring both analog and digital outputs, the MQ-7 offers reliable CO detection for DIY electronics and environmental sensing.

Highlights
Gas Detection: Specially calibrated to detect carbon monoxide (CO)
Dual Output: Provides analog signal for precise readings and digital output with threshold adjustment
High Sensitivity & Stability: Detects CO in a concentration range of 20 to 2000 ppm
Operating Voltage: 5V DC – compatible with Arduino, ESP32, Raspberry Pi, and more
Onboard Potentiometer: Easily adjust the digital output sensitivity