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【USB Type C Port Reinforced】-This is latest the USB type C port reinforced and make it more stronger solder points. 【ATmega32U4 microcontroller】-The
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Adafruit FTDI Friend + Extras [ADA284]
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Diitao 2PACK Pro Micro 5V 16MHz Atmega32U4 Bootloadered IDE Micro USB Pro Micro Development Board Microcontroller Pro Micro Serial Connection with 2-Row Pins Header : Electronics
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DEVMO 2PCS Pro Micro ATmega32U4 5V 16MHz Micro-USB Development Module Board with 2 Row pin Header Compatible ard-uino Leonardo Replace ATmega328 Pro Mini : Electronics
Arduino Pro Micro Atmega32u4 16mhz 5v Leonardo Electronic Pro Micro - Pro 5v 16mhz - Aliexpress