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

Board compatible with Arduino, equipped with the ATmega32U4 microcontroller

Qduino Mini is a tiny, Arduino-compatible board with ATmega32u4 (8MHz, 32kB Flash, 2kB RAM), a LiPol battery connector and charger built-in. SparkFun

Qduino Mini - Arduino Dev Board with ATmega32u4

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

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

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

Arduino Pro Micro 5V 52 6/12ft Compatible Atmega 32U4 Microcontroller Board

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

The Fio v3 is a new spin on the Arduino Fio hardware powered by the ATmega32U4. Not only is it small and LiPo-ready, it’s a very capable XBee-ready

Fio v3 - ATmega32U4

ATmega32U4 Pro Micro Controller Board for Arduino Pro Micro 5V Replace – eElectronicParts