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The entire article: You can do things with a debugger that you can’t do with print statements.
Now try debugging on a microcontroller with none of that UART stuff Arduino gives you. Print statements? Ha, try debugging by blinking an LED.
LED? Luxury! 😁
I had one board with an improperly loaded power supply and I could tell what it was doing by the pattern and pitch of the squeal.
It did have a debug UART though, but I did come to find the sound pretty useful too!
Heh, kinda like knowing if your 56Kinda modem got a good connection or not.


