Arduino - 5 Things to Know About Interrupts

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If you are using Arduino Interrupts, you need to be aware of some limitations. Here is a list of 5 do/don’t to help you use interrupts correctly.
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0:00 Intro
0:24 1. Volatile variables
1:50 2. Don’t put parameters or return type for the interrupt function
2:40 3. Keep the interrupt fast
4:35 4. Be careful with time functionalities
6:53 5. Don’t use Serial inside interrupts
8:25 Recap

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