Serial Plotter - DS18B20 sensor data

Hi @fbmeca

welcome to the arduino-forum.

The first step to the solution is that you do not post screenshots of the serial monitor.
You should post the characters of the serial monitor by

  • mark with pressing ctrl-a
  • copy to characters to the clipboard with pressing ctrl-c
  • create a code-section with the < code > -button
  • paste the clipboard-content by pressing ctrl-v inside the code-section

If you don't know how to do that read here

and as a general advice for all your future questions:

I'm pretty sure that you agree and will follow the way how to solve your problem mimimum 200 minutes faster.
This requires to invest 20 minutes of your precious time to read how to speedup solving your problems.

Directly after registering you got presented informations how to speed up solving your problem.
You should really read it.

best regards Stefan