Project Overview The system uses a gas sensor (MQ-2/MQ-5/MQ-135) to detect gas leakage and trigger alerts. It can also send notifications using Wi-Fi (ESP8266/ESP32) or GSM. Key Components Arduino Uno ...

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 ...

MQ-5 Gas Sensor: Install the library for the MQ-5 sensor from the Arduino Library Manager. LiquidCrystal: Install the LiquidCrystal library for controlling the LCD display. Upload the Code to Arduino ...

Those hold the detectors, an MQ-2 gas sensor module, ... [Markus] employs an Arduino Uno, which unfortunately doesn’t have great resolution on its analog-to-digital converter.