The ESP32 connects to WiFi, reads the gas sensor values, and sends them to a specified Google Apps Script URL, which appends the data to a Google Sheet. Project Overview The MQ2 sensor measures the ...

The ESP32 connects to WiFi, reads the gas sensor values, and sends them to a specified Google Apps Script URL, which appends the data to a Google Sheet. Project Overview The MQ2 sensor measures the ...

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 ...

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 ...