Hi Christian, thank you for your fast response I have following questions: 1. I can‘t see any fuse, EMI filtering or transient voltage suppression in your circuit aren‘t these features which might needed to get integrated for safe operating? 2. Since I have a twin carburetor and two exhaust pipes wh...

Hi Christian,

i plan to use the lambda shield in my old car to measure the air/fuel ratio for adjusting my carburetors.

My question is now can i attach the board directly to the car battery? And is there something i have to take care of?

Cheers