This Arduino code is designed to read data from five gas sensors connected to an Arduino board. The sensors include MQ8, MQ4, MQ9, MQ7, and MQ135. The code reads analog data from these sensors and ...

Hardware needed to interface ADC121C_MQ4 sensor with Arduino. Arduino Nano. Arduino Micro. Arduino uno. Arduino Due. ADC121C_MQ4 Methane Gas Sensor. I2C Cable. ADC121C_MQ4: The MQ-4 is capable of ...

Arduino Code for Interfacing MQ-5 Gas Sensor Module. The Arduino MQ-5 gas sensor module's coding is straightforward. We're simply reading the Sensor's analog data and turning the LED and Buzzer ON or ...

We present a unified library for MQ sensors, this library allows to read MQ signals easily from Arduino, Genuino, ESP8266, ESP-32 boards whose references are MQ2, MQ3 ...