The MQ-7 is capable of sensing carbon monoxide air concentration levels between 200 and 2,000ppm. The ideal sensing condition for the MQ7 is 20°C ±2°C at 65% ±5% humidity. How to Use the ADC121C_MQ7 ...

Use this code if you wish to collect MQ7 analog (non-discrete) Carbon Monoxide (CO) data and log to CSV files. Was tested recently and works, at least with an Arduino UNO r3 board. As specified and ...

The led will blink connected to Pin 13 of Arduino UNO when there is some vibrations. If the vibration sensor doesn’t work then please check the connection and power. Avoid any loose connection between ...

This paper aims to study the real-time communication between Arduino UNO and Matlab and analyze the air quality at a specific place. The main component used are Arduino UNO, MQ7 carbon monoxide sensor ...