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TECHNICAL DATA MQ-3 GAS SENSOR - Components101...

WEBFig.3 is shows the typical sensitivity characteristics of the MQ-3 for several gases. in their: Temp: 20°C、 Humidity: 65%、 O2 concentration 21%. RL=200kΩ. Ro: sensor resistance at 0.4mg/L of...

Alcohol Gas Sensor - MQ-3 - SEN-08880 - SparkFun …...

WEBJun 17, 2016 · This alcohol sensor is suitable for detecting alcohol concentration on your breath, just like your common breathalyzer. It has a high sensitivity and fast response time. Sensor...

How MQ3 Alcohol Sensor Works? & Interface it with Arduino...

WEBLearn to interface MQ3 Alcohol Sensor with Arduino along with its working, pinout, calibration, reading analog and digital outputs to create a breathalyzer....

Interfacing MQ-3 Alcohol Gas Sensor Module with …...

WEBSep 28, 2020 · The MQ-3 sensor is one of the MQ series heater-driven gas sensors that has an internal variable resistance from pin A to pin B, which depends on the amount of alcohol in the air....

How to Use the MQ-3 Alcohol Sensor...

WEBMar 15, 2018 · The MQ-3 alcohol sensor is useful for projects that tests levels of alcohol, benzine, hexane or LPG in the air but it is most popularly used as a breathalyzer (breath analyzer) for...

Metal–organic frameworks for alcohol gas sensor - ScienceDirect...

WEBJan 1, 2016 · Metal–organic frameworks (MOFs) containing unsaturated coordination metal (II) sites (or open metal sites) have shown high selectivity for gas adsorption, separation and chemical...

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