GitHub

ncdcommunity/Arduino_Library_ADC121C_MQ135_Amonia_Gas_Detection_Sensor

ADC121C_MQ135 is a NH3 Amonia Benzene Alcohol Gas Sensor.ADC121C 12-Bit ADC I²C Mini Module. This Device is available from www.ncd.io [SKU: ADC121C_MQ135_I2CS ...
GitHub

[Arduino basics tutorials] use MQ135 air quality detecting module.md

> MQ135 is mainly used to detect the concentration of carbon dioxide, alcohol, benzene, NOx, ammonia and other gases in the air.
IEEE

Automatic Vehicle Emission Monitoring and Alert System Using Arduino and MQ135 Sensor

Abstract: Emission checking is essential to reducing air pollution in urban areas. Conventional systems, such as Pollution Under Control (PUC) registration in India, rely on manual inspections without ...