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AITRIP Pro Micro ATmega32U4 5V/16MHz Module Board with 2 Row pin Header Compatible with arduino Leonardo Replace ATmega328 Pro Mini (1 PCS) : Electronics

Buy Pro Micro - 5V/16MHz - Atmega32u4 module - Botland - Robotic Shop

Pro micro atmega32u4 5V/16MHz Development board microcontroller with bootloader IDE and USB C

Pro Micro - USB-C - 5V/16MHz - ATmega32U4 - SparkFun DEV-15795 Botland - Robotic Shop

Buy Pro Micro - 5V/16MHz - Atmega32u4 module - Botland - Robotic Shop

Pro Micro Module with ATmega32U4, 5V, 16MHz, Arduino compatible

Pro Micro 5V/16MHz Arduino Compatible Microcontroller - RobotShop