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Back in the day, we'd write some code, compile, execute, see what happened and repeat. That was testing. (Sometimes that's still what testing looks like, for better or worse.) Today, we can do a lot ...

If you are used to coding with almost any modern tool except the Arduino IDE, you are probably accustomed to having on-chip debugging. Sometimes having that visibility inside the code makes all the ...

Make it a habit to dig deeper and find more information about the issue before starting to debug a non-trivial issue. For example: is this a new problem? If so, starting when? Is this only visible to ...