mq3

We present a unified library for MQ sensors, this library allows to read MQ signals easily from Arduino, Genuino, ESP8266, ESP-32 boards whose references are MQ2, MQ3, MQ4, MQ5, MQ6, MQ7, MQ8, MQ9, MQ131, MQ135, MQ136, MQ303A, MQ309A.

Arduino project calibrating a MQ3 alcohol sensor and measuring BAC in the air.

an arduino library for the MQ family of gas sensors

Drowsiness detection system integrated with PC and Arduino UNO to create an alert system. And creating a system to alert the nearest emergency points whenever the driver accident is encountered.

Arduino Based Alcholol detection with Engine lock as a feedback mechanism

STM32F072 multimodule embedded system with SH1106 OLED, MFRC522 RFID, keypad, MQ-3 analog sensor, Bluetooth UART, RGB LED, and PWM buzzer.

Air Analyzer, Using Almost All Kinds of MQ Sensors

Powerful dual-core capabilities of the ESP32-S3 to integrate a 64x64 HUB75 LED Matrix, MQ-3 Alcohol Sensor, and RemoteXY Bluetooth Control. It creates an all-in-one smart vehicle safety device combining "Active Warning," "DUI Prevention," and "Remote Control."

Smart motorcycle helmet using STM32, GPS, GSM, MPU6050 and MQ3 sensor for accident detection and emergency alert systems.

IoT-based Smart Transportation Safety System using ESP32, MQ3 Alcohol Sensor, MAX30102 Heart Rate Sensor, and Arduino IDE.

The business name of the proposed project is "SafeTechs". Furthermore, this project aims to boost the current rescue operations & road safety methodologies in Sri Lanka by utilizing digital technologies. To experience this platform, Join Now.

IoT-based Smart Helmet using ESP8266 for rider safety with alcohol detection and ignition control.

ESP32-based smart helmet that detects alcohol level for a biker using an MQ-3 sensor and provides buzzer, LED and email alerts.