Arduino Pro Micro 5V 16MHZ Development Board

ATmega32U4 running at 5V/16MHz Supported by IDE v1.0.1 Rx and Tx Hardware Serial Connection 4 x 10-bit ADC pins, 12 x Digital I/Os On-Board Type-C

AITRIP 2PCS Pro Micro ATmega32U4 5V 16MHz Type-C Development Module Board with 2 Row pin Header Compatible arduino Leonardo Replace ATmega328 Pro Mini

Pro Micro with microcontroller Atmel Mega 32u4 5V/16MHZ MicroUSB

PRO Micro Atmega32u4 5V / 16MHz Mini MCU Leonardo Board for

TZT Pro Micro ATmega32U4 5V 16MHz Original Chip Replace

Getting started with the Pro Micro Arduino Board

10pcs Pro Micro ATmega32U4 5V 16MHz Replace ATmega328 For Arduino

Pro Micro ATmega32U4 Board 5V 16MHz Compatible with Arduino Pro

Pro Micro Microcontroller Board With 2 Row Pin Header ATmega32U4

ATmega32U4 Pro Micro Controller Board for Arduino Pro Micro 5V

Spice up your DIY keyboard builds with this little microcontroller, which works with the TMK and QMK firmware. It's got 18 pins for you to work with.

Pro Micro (Micro-USB) - 5V/16MHz - Arduino-compatible ATmega32U4

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