![]() ![]() A buzzer is also place for indicating high alcohol level.Ĭircuit Diagram for this Arduino Alcohol Sensor Project is given above. And an LM358 IC for converting alcohol level sensor output to digital (this function is optional). A 16x2 LCD is used for displaying the PPM Value of alcohol. In this Arduino Alcohol Detector Shield we have used a MQ3 sensor to detect present alcohol level in the breath. Alcohol detector Arduino shield from JLCPCB.Arduino Alcohol Detector will detect the alcohol level in breath and by using some calculations in code we can calculate the alcohol level in breath or blood and can trigger some alarm. ![]() ![]() Here I have designed an Arduino Shield PCB using EASYEDA online PCB simulator and designer. In this project, I am going to Interface an Alcohol Sensor with Arduino. ![]()
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