MQ-3 Alcohol Ethanol Gas Sensor Module Breathalyzer - Red + Black
Model: MQ-3 - Color: Black + Red - Material: Copper + Plastic + PCB - Main chip: LM393 MQ-3 Sensor - Work voltage: DC 3~5V - With the signal output; - Analog + TTL output; - 0~5V analog output voltage - Detecting range: 10~1000ppm - Package includes: - 1 x Module