This project splits sensing and Wi-Fi connectivity (ESP) from actuation/control (Arduino UNO). The ESP reads DHT, MQ-135, HX711, and other sensors, then sends newline-terminated CSV lines over serial ...

You can create a release to package software, along with release notes and links to binary files, for other people to use. Learn more about releases in our docs.

The project illustrates how an Arduino board was interfaced with MQ-3 Alcohol Gas Sensor to create the Breathalyzer. One ADC input of Arduino is required to obtain the simple connection of the sensor.

Abstract: This paper presents the development of a cost-effective, solar-powered, real-time air quality monitoring and hazard alert system utilizing an Arduino microcontroller integrated with gas and ...