The MQ2 sensor measures the presence of gases in the environment, which the ESP32 reads and sends to Google Sheets for logging and monitoring. This project can be used for applications like gas ...

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, ...

MQ-2 gas sensor can not only detect gas or smoke, but can also detect LPG, Alcohol, Propane, Hydrogen, Methane, and Carbon Monoxide.For interfacing, we are using the 5V and GND pin of the Arduino UNO ...

The application of sensors in smart homes using Arduino to control equipment such as lights, fans, alarms, and so on. Sensors used in Arduino include LDR, Ultrasonic, DHT11, and MQ2. LDR is used to ...

The application of sensors in smart homes using Arduino to control equipment such as lights, fans, alarms, and so on. Sensors used in Arduino include LDR, Ultrasonic, DHT11, and MQ2. LDR is used to ...