Board with ATmega32U4 microcontroller compatible with Arduino Pro Micro - Kamami on-line store

Board compatible with Arduino, equipped with the ATmega32U4 microcontroller

SparkFun Qwiic Pro Micro - USB-C (ATmega32U4) - Compatible with Arduino development board 5V/16MHz microcontroller AP2112 3.3V Voltage Regulator Castellated PTH pin pads Reset button Maximum 6V input : Electronics

ATmega32U4 Pro Micro Controller Board for Arduino Pro Micro Type-C USB 5V

OSOYOO Pro Micro 5V/16MHz Module Board with 2 Row pin Header Replace wit Pro Mini for Arduino : Electronics

With ATmega32U4, running at 5V/16MHz. Supported under IDE v1.0.1. 12 x Digital I/Os (5 are PWM capable). Rx and Tx Hardware Serial Connections.

diymore Arduino Pro Micro 16MHz 5V with 2-Row Pins Header Module Board ATmega32U4 Module Board Micro USB Pro Micro Development Board Microcontroller

ATmega32U4 Pro Micro Controller Board for Arduino Pro Micro Type-C USB 5V

Micro Compatible Board, ATmega32u4

ATmega32U4 Pro Micro Controller Board for Arduino Pro Micro Type-C USB 5V

Board with ATmega2560 microcontroller compatible with Arduino Mega2560 R3 - Kamami on-line store

Inland PRO MICRO Development Board Arduino Compatible; ATmega32u4 Microcontroller; 32KB Flash Memory; 2.5KB SDRAM - Micro Center

Adafruit LiIon/LiPoly Backpack Add-On for Pro Trinket/ItsyBitsy : ID 2124 : $4.95 : Adafruit Industries, Unique & fun DIY electronics and kits