Hello Ronny, Great you showed some pictures. So let us start with Question 2, why does it not show you any number. It is because you are measuring air. As you can see it is displaying 21% oxygen, there is no point in converting air to lambda and AFR. The same with the display, it is displaying the ...

Hello, I use googel translator. Sorry for my English. I have two questions / problems. Question 1: (Image_1) The two numbers on the display do not change. The software is "Lambda-Shield-2-GUI-Example-master" with an Arduino MEGA. Question 2: (Image_2) I don't get any values displayed on th...