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, ...

Internal Schematics for MQ-2 Gas Sensor Module The Circuit Diagram for the MQ-2 Gas and Smoke Detection Sensor Module is shown below. The schematic for this module is very simple and needs a handful ...

LPG is an alternative fuel used for daily use. Due to its low cost and ease of installation. This article covers an Arduino-based gas detection system that uses an Arduino UNO R3 board and gas sensors ...