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, ...

Like all the other basic sensor modules, this MQ-2 Gas and smoke sensor module has four pins, two of which are for VCC and Gnd and the other two can simultaneously output analog and digital data. 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 ...