In recent years the air pollution from vehicles is increasing in a rapid rate. The aim of this project is to develop a low cost system that when combined with an oxygen sensor will help to reduce air pollution from vehicles.
In many cars there is a narrow band sensor installed, it’s function is to determine either the mix of the exhaust gases is rich or lean. The wide band sensor can give a more accurate read of the mix but it needs to be controlled and the controllers for it are expensive.
A “wide band” sensor, is used for car engine management systems in order to meet the ever-increasing demands for better fuel economy, lower emissions and better engine performance at the same time.
A standalone system is developed to control the sensor and maintain it at optimal working condition.
The system will control the temperature of the sensor and the accuracy of the measurements using PID controllers implemented in code. It also produces an LCD display of the current measurements and saves the readings to an SD card.
IOT made the transfer of data between devices and people so easy, and a user can connect to the system and vied the readings online. 