DonP wrote: ↑09 Feb 2021 10:30
Out of curiosity: could you briefly explain what the main use cases for this sensor would be? Is it diesel engines?
Hello Pascal, great question!

In the automotive diesel world as you can see in the example of Bosch Denoxtronic, it is used to measure the
NOx level before the
SCR catalytic converter to adjust
AdBlue. It is then again measuring the result to verify that the process meet regulatory requirements. In this case the NOx Shield for Arduino can be used in workshops to diagnose sensors and emission controls.
Another area where I hope the NOx Shield will also be useful, is the process of burning solid fuels or
biomass. For example to generate heat or electricity in rural areas.
A typical home heating system generate around 100 ppm of NOx. As the NOx sensor is also a wideband oxygen sensor it perfectly suited as one of the factors of NOx levels is the amount of oxygen.
The final area is in the field of research and development, Arduino is a great ecosystem for this purpose. I hope that with this device, students, engineers and scientists can work on solid fuel combustion without spending valuable research budgets on expensive equipment. There is a
great need of solid fuels and hopefully we can find ways to produce them more environmentally friendly at a low cost using automotive sensor technologies.
Thank you, and I am looking forward to see the results of using the NOx Shield for Arduino.