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ALCOHOL GAS SENSOR MQ-3 BREAKOUT

18139
CA$7.50

MQ3 Alcohol Gas Sensor Module is used for detecting alcohol concentration on your breath, like a Breathalyzer. This sensor has a high sensitivity and fast response time. The module outputs a voltage from 0 to 5V relative to the alcohol concentration.

Note: PCB dimension, and color may vary slightly.

Note: Power off circuit before connecting/disconnecting the sensor

Specifications

  • Concentration : 0.05 mg/L ~ 10 mg/L Alcohol

  • Operating Voltage : 5V ±0.1

  • Current Consumption : 150mA

  • Operation Temperature : -10°C ~ 70°C

Pin Out

  • VCC – Input Power Supply

  • GND – Supply Ground

  • DO – Digital Output

  • AO – Analog Output

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