MQ-7 Carbon Monoxide Gas Sensor Module – 100–1000 ppm

QAR 19.00/ unit

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Description

The MQ-7 Carbon Monoxide Gas Sensor Module is designed for detecting CO concentrations in ambient air. It integrates the MQ-7 sensing element with onboard protection circuitry and an adjustable potentiometer for threshold calibration. Operating at 5V DC, the module provides both analog output proportional to gas concentration and TTL digital output for direct interfacing with microcontrollers. With a detection range of 100–1000 ppm and fast response characteristics, it is suitable for safety monitoring, air quality systems, and embedded gas detection applications. Features • MQ-7 semiconductor CO sensing element • Detection range 100–1000 ppm CO • Dual output Analog and TTL digital • Analog output 0.1–0.3V typical • Digital output 0.1–5V TTL level • Adjustable threshold potentiometer • Onboard protection resistor • 5V DC operating voltage • Fast response to CO concentration changes • Suitable for microcontroller interfacing • Compact PCB design 30 × 19 mm • Designed for safety monitoring systems Tutorials • How to use a MQ-7 carbon monoxide detector module