2PCS MQ-3 Alcohol Gas Sensor Module, Double-sided Circuit Board Ethanol Detector Breath Gas Detection Sensor Module

2PCS MQ-3 Alcohol Gas Sensor Module, Double-sided Circuit Board Ethanol Detector Breath Gas Detection Sensor Module

Garosa

GOOD SENSITIVITY: With DO switching (TTL) output and analog output AO. High sensitivity for the detection of alcohol gas. OUTPUT: TTL output valid is low level. (When the output is low level, the light is on, it can be directly connected to the MCU or relay module). WITH INDICATOR: Using double-sided circuit board design, with power indicator and TTL output indicator. VOLTAGE: Analog output voltage, the higher the voltage, the higher the concentration. Rapid response and recovery characteristics. EASY TO POSITE: There are four screw holes for easy positioning., Weight: 0.0220462262 Pounds, Manufacturer: Garosa

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