Robotbanao ESC-022 Mq-3 Alcohol Ethanol Gas Sensor Module Breathalyzer Works With official Arduino Boards (Red and Black) : Amazon.in: Industrial & Scientific
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.
Alcohol detector using Arduino and Mq3 | MQ sensor with Arduino
Alcohol detector using Arduino and Mq3 | MQ sensor with Arduino
Alcoholimeter with MQ3 sensor and arduino nano (Includes printed circuit) - Share Project - PCBWay
MQ3 Alcohol Sensor Interfacing with Arduino uno | Arduino Project - YouTube
In-Depth: How MQ3 Alcohol Sensor Works? & Interface it with Arduino
Alcohol detector using Arduino and Mq3 | MQ sensor with Arduino