This project logs data from an MQ2 gas sensor connected to an ESP32 to Google Sheets. The ESP32 connects to WiFi, reads the gas sensor values, and sends them to a specified Google Apps Script URL, ...

This project logs data from an MQ2 gas sensor connected to an ESP32 to Google Sheets. The ESP32 connects to WiFi, reads the gas sensor values, and sends them to a specified Google Apps Script URL, ...

The code for the Arduino mq-2 gas sensor module is very simple and easy to understand. We are just reading the analog data out of the sensor and changing the brightness of the LED according to the ...

Sensors used in Arduino include LDR, Ultrasonic, DHT11, and MQ2. LDR is used to automatically control railing lights, balcony lights, garden lights, and backyard lights if, during the day, the lights ...