Arduino Micro — Arduino Online Shop
Adafruit ItsyBitsy 32u4 - 5V 16MHz : ID 3677 : $9.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Pro Micro (USB-C Version) - 5V/16MHz - Arduino-compatible ATmega32U4 – Keebio
Buy Arduino Pro Micro 5V/16MHZ Online in India
Pro Micro Mini USB ATmega32U4 5V 16MHz Development board For Arduino - AliExpress
Pro Micro ATmega32U4 Board 5V 16MHz Compatible with Arduino Pro Micro ATmega32U4
Teq SparkFun Pro Micro 5V/16MHz Micro Board - DEV-12640 - STEM & Robotics
MICRO/MINI/TYPE-C USB ATMEGA32U4 Module 5V 16MHz Board For Arduino
ATmega328 running at 16MHz with external resonator. USB connection off board. DC input 5V up to 12V. RoHS Compliant. The Arduino Pro Mini 328 - 5V/16MHz is a 5V Arduino running the 16MHz bootloader. Arduino Pro Mini does not come with connectors populated so that you can solder in any connector or wire with any orientation you need.
SparkFun Arduino Pro Mini 328 - 5V/16MHz
KOOKYE 3pcs Pro Micro ATmega32U4 5V/16MHz Module Board with 2 Row Pin Header for Arduino Leonardo Replace ATmega328 Arduino Pro Mini
OSOYOO Pro Micro ATmega32U4 5V/16MHz Module Board with 2 Row Pin Header for Arduino Leonardo Replace ATmega328 Pro Mini
Arduino Pro Micro - 5V/16MHz - RoboticX
Buy Wholesale China New Pro Micro For Arduino Atmega32u4 5v/16mhz Module With 2 Row Pin Header For Leonardo In Stock . Best Quality & Pro Micro 5v/ 16mhz at USD 5.58
Arduino-Compatible EDArduino Pro Micro, ATmega32u4, 5V 16MHz - ElectroDragon