Specifically designed for detecting Carbon Monoxide (CO) gas with high sensitivity and reliable performance. It is widely used in gas leakage alarms, air quality monitoring, industrial safety systems, and smart home automation projects. Compatible with Arduino, ESP32, Raspberry Pi, AVR, and other microcontrollers. Features: High sensitivity to Carbon Monoxide (CO) Fast response and recovery time Analog and digital output support Adjustable sensitivity via onboard potentiometer LED indicators for power and signal status Easy integration with microcontrollers Specifications: Sensor Model: MQ-7 Operating Voltage: 5V DC Output Type: Analog and Digital Detection Gas: Carbon Monoxide (CO) Sensitivity Adjustment: Yes Response Time: Fast and stable performance Application: CO gas alarms, air quality monitoring, industrial safety systems, smart home devices, IoT projects