I’m getting -381 degrees on the one wire sensor…tried a couple but same thing. The bummer is the ground and 3.3 jumps touched each other and I’m fearing I burned out the port.
Welcome to the Cayenne community!
I hope you don’t mind that I moved your question to the need help with projects category.
You might take a look at this thread as it was a similar problem -
Yikes! Hopefully you didn’t burn it. I’m assuming you are using GPIO pin 4 too.
A large negative number generally is indication that there is wiring issue. Did the sensor ever display correct data?