ALCOHOL GAS SENSOR MQ-3

This alcohol sensor is suitable for detecting alcohol concentration on your breathjust like your common breathalyzer. It has a high sensitivity and fast response time. Sensor provides an analog resistive output based on alcohol concentration. The drive circuit is very simpleall it needs is one resistor. A simple interface could be a 0-3.3V ADC. M(1*2)

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  1)if the product has any manufacturers error or broken .<br>2)If the package has another product you order it .<br>