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Keyestudio PRO MICRO 5V 16MHZ ATMEGA32U4-MU Development Board For
Me and all 20 or so keyboards I've handwired over the last year
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Pro Micro (Micro-USB) - 5V/16MHz - Arduino-compatible ATmega32U4
It's thin! It's blue! It's the Arduino Pro Micro! The?Pro Micro?is similar to the?Pro?Mini except with an ATmega32U4 on board. This is also 5V 16MHz
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Pro Micro (Micro-USB) - 5V/16MHz - Arduino-compatible ATmega32U4
Pro Micro & Fio V3 Hookup Guide - SparkFun Learn
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