Strange behaviour with Serial Monitor

Projects Programming
1

I thought I had made some subtle but serious programming error which caused serial
comms to have stopped...

Even though I could compile and upload code in the IDE, there was no response in Serial Monitor.
I was surprised to notice that the core functionality of the code was unaffected
and running normally...
After monkeying around I loaded a previous version of the code , and then
realized that the new instance of Serial Monitor was indeed communicating with the MEGA...

Net conclusion: Close the IDE and re-open it. That fixed the mystery problem / 'bug?'

2

You have not provided enough detail to provide help

  • what sketch was running ?
  • which boards were connected to the PC ?
  • which COM ports were they using ?
  • which board and COM port had you selected in the IDE ?
  • which version of the IDE are you using ?
  • how many instances of the IDE have you got open and how did you start them ?
3

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