I tried to write a value to an arduino mega2560 and it didn`t work...
At the website of playground.arduino.cc/Interfacing/Matlab there is a couple of sentences about writing a digital value to pin 13:
This didn`t work out for me, I tried instead:
This worked for me. I installed the Arduino support from a link in the program, is there a difference between the support from playground.arduino.cc and MATLAB itself? Or is it just a fault at the website?