Description
MQ3 Sensor Alcohol Gas Sensor for Arduino:
The MQ-3 alcohol sensor detects the presence of alcohol gas at a range of concentrations suitable for alcohol meter between 0.04 mg / L and 4 mg / L. Like other MQ sensors, this sensor outputs an analogue voltage output according to the density of the gas. It is a sensor that can read the gas range used by alcohol meters.
The sensor is with the carrier card. It operates with 5V voltage and has digital (TTL level) and analogue outputs. This makes it easy to use with Arduino and other microcontrollers.
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