Finally coming the moment that you need to configure the AVR microcontroller, to meet your needs. When I started, it was not the simplest operation on... | By Marcin Gibas | Facebook
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Pro micro not showing up in serial port (M1 mac Monterery) - Avrdude, stk500, Bootloader issues - Arduino Forum
![Latest Arduino (1.8.10) cannot program 32u4-based boards under Catalina (Rel. 10.15 Build 19A583) · Issue #9290 · arduino/Arduino · GitHub Latest Arduino (1.8.10) cannot program 32u4-based boards under Catalina (Rel. 10.15 Build 19A583) · Issue #9290 · arduino/Arduino · GitHub](https://user-images.githubusercontent.com/37643433/70659180-28142d00-1c25-11ea-961e-6d1db754d477.png)