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1pc Pro Micro Atmega32u4 5v 16mhz Bootloadered Ide Micro Usb Pro Micro Development Board For Arduino Pro Micro With Pin Header - Demo Board Accessories - AliExpress
![help] trying to flash a pro micro. Only one led is on, wondering if it can point toward the problem? : r/MechanicalKeyboards help] trying to flash a pro micro. Only one led is on, wondering if it can point toward the problem? : r/MechanicalKeyboards](https://i.redd.it/mto2s1r8k9w11.jpg)
help] trying to flash a pro micro. Only one led is on, wondering if it can point toward the problem? : r/MechanicalKeyboards
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Amazon.com: diymore Pro Micro 16MHz 5V with 2-Row Pins Header Module Board with ATmega32U4 : Electronics
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