Homemade breathalyzer MQ-3 gas sensor with Arduino PPM BAC g/L meter
Arduino Alcohol Sensor Code
GitHub - oneguyoneblog/Arduino-breathalyzer-DIY-alcohol-tester-with-MQ-3-gas-sensor-and-OLED-display: This is the code I use for a simple olcohol detector or "breathalYzer", using an Arduino Uno, MQ-3 gas sensor, OLED display and a couple of LEDs.
Arduino Breathalyzer using MQ3 alcohol Detection Sensor and SSD1306 Oled Display
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