MQ3 alcohol sensor module

MQ3 alcohol sensor module

৳  148.00

This module is made using Alcohol Gas Sensor MQ3. It is a low cost semiconductor sensor which can detect the presence of alcohol gases at concentrations from 0.05 mg/L to 10 mg/L. The sensitive material used for this sensor is SnO2, whose conductivity is lower in clean air.

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This module is made using Alcohol Gas Sensor MQ3. It is a low cost semiconductor sensor which can detect the presence of alcohol gases at concentrations from 0.05 mg/L to 10 mg/L. The sensitive material used for this sensor is SnO2, whose conductivity is lower in clean air. It’s conductivity increases as the concentration of alcohol gases increases. It has high sensitivity to alcohol and has a good resistance to disturbances due to smoke, vapor and gasoline. This module provides both digital and analog outputs. Threshold level for digital output can be easily adjusted using the preset on the board. MQ3 alcohol sensor module can be easily interfaced with Microcontrollers, ArduinoBoards, Raspberry Pi etc. Features Low Cost Fast Response Stable and Long Life Good Sensitivity to Alcohol Gas Both Digital and Analog Outputs On-board LED Indicator Technical Data 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 Applications Vehicle Alcohol Detector Portable Alcohol Detector Datasheet MQ-3 Hanwei.

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