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Amazon.com: OSOYOO Pro Micro ATmega32U4 5V/16MHz Module Board with 2 Row pin Header Replace with ATmega328 Pro Mini for Arduino : Electronics
Mini/Type C/Micro USB Pro Micro ATMEGA32U4 5V/16MHZ module With the bootloader for arduino with 2 row pin header for arduino|Integrated Circuits| - AliExpress