When dealing with the combustion of fuel, one of the important factor is controlling the fuel-to-air mixture ratio. The combustion process itself is - to put simply - a chemical reaction of rapid oxidation. A correctly selected proportion between fuel and air - often called a stoichometic value - means, the combustion process uses the entire mass of fuel and mass of oxygen particles in the volume.
Wideband O2 sensors are used for determinig the AFR (air-to-fuel) ratio.
The presented module is based on the Bosch CJ125 integrated circuit. It is an advanced circuit, that incorporates:
The CJ125 can operate in a very wide temperature range, from -40 up to 150 centigrades.
The presented module is an implementation of the CJ125 circuit in a premium setup:
The module is supported by the arduino-cj125 library, which can be found on the Git Hub server (link can be found in a Git Hub tab). The library has ready-made functions that ensure:
Please note, the Bosch LSU 4.9 wideband sensor is not included, it has to be purchased deparately.
|Compatible with||Arduino Uno|