This project is based on reading analog values from the MQ2 gas sensor using an Arduino. The analog readings are mapped to corresponding gas concentration levels using logarithmic plotting, following ...

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, MQ4, MQ5, MQ6, MQ7, MQ8, MQ9, ...

Abstract: The following article presents preliminary research concepts on the analysis and prevention of pressure ulcers at different stages using a sensor-based system with the purpose of lowering ...