You have solved the problem. Apparently at some time previously, I had clicked on that icon and turned off the serial print function. I didn't know what Serial Monitor the instructions were referring to. It now works perfectly - again.
Raoul
You have solved the problem. Apparently at some time previously, I had clicked on that icon and turned off the serial print function. I didn't know what Serial Monitor the instructions were referring to. It now works perfectly - again.
Raoul