MQ-3 Alcohol Ethanol Sensor Module
Brand N/A Model MQ-3 Quantity 1 Color Blue + orange Material PCB + electronic components Features With power indication and TTL signal output indication Specification With DO open signal (TTL) output and AO analog output; Electrical properties: Input voltage: DC 5V; Power consumption (current): 150mA; DO output: TTL digital quantity 0 and 1 (0.1 and 5V); AO output: 0.1~0.3V; Maximum concentration voltage: About 4V; Preheat time: 20s Application Alcohol (ethanol) detection English Manual/Spec Yes Packing List 1 x Module