MQ-3 GAS SENSOR
SKU: 000090
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The MQ-3 Gas Sensor is a semiconductor gas sensor specifically designed to detect alcohol vapors (ethanol) in the surrounding environment. It operates by changing its electrical resistance when exposed to alcohol gas, producing analog and digital output signals that can be easily interfaced with microcontrollers such as Arduino, ESP32, STM32, Raspberry Pi, and PIC. The sensor provides high sensitivity to alcohol, fast response time, stable performance, and long service life. Due to its accuracy and ease of integration, the MQ-3 sensor is widely used in breath alcohol analyzers, alcohol detection systems, industrial safety equipment, smart monitoring systems, and IoT-based gas sensing applications.
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