Circuit Diagram for this Arduino Alcohol Sensor Project is given above ... Some of the applications that can be made by using this sensor are Alcohol gas alarm, portable alcohol detector, gas alarms, ...

🍷 Alcohol Detector using MQ3 Sensor and Arduino ... 🔧 Hardware Required Component Quantity Arduino UNO/Nano 1 MQ3 Alcohol Sensor 1 I2C LCD (16x2) 1 Jumper Wires As needed Breadboard (optional) 1 🖥️ ...

The pinout of the MQ-3 Alcohol Detection Sensor is as follows: VCC is the Gas Detection Sensor's power supply pin, which can be linked to a 5V source. GND is the board's ground pin, which should be ...

With the use of this prototype, So many lives of school students can be saved. To build this Alcohol Proof ... as per the circuit diagram. Connect Uno Cable with Computer. Connect Vcc of sensor to 5V ...

Nowadays drinking and driving is the most common threat to their as well as others’ life. We cannot stop people from drinking but we can avoid these accidents by checking the person of drinking also ...

This detection alarm is achieved by using a basic unit with different sensors for smoke, LPG and alcohol. So, different alarms can be made by simply changing the input sensor. Fig. 1 shows circuit ...