【ATmega32U4 microcontroller】-The Pro Micro is similar to the Pro Mini except with an ATmega32U4 on board. The USB transceiver inside the 32U4 allows
KOOKYE 3PCS Pro Micro ATmega32U4 5V/16MHz Module Board 2 Row Pin Header for Arduino Mini Leonardo
Arduino Micro with Headers - 5V 16MHz - (ATmega32u4 - assembled) : ID 1086 : $24.95 : Adafruit Industries, Unique & fun DIY electronics and kits
RedTagCanada Pro Micro Atmega32U4 5V 16MHz Bootloadered IDE Micro USB Pro Micro Board Microcontroller Compatible to Arduino Pro Micro Serial Connection wPin Header (1, Pro Micro ATmega32U4 Micro-USB) : Electronics
Arduino Micro — Arduino Online Shop
AITRIP 5 Pcs Pro Micro ATmega32U4 5V/16MHz Module Board with 2 Row Pin Header Compatible with Arduino Leonardo Replace ATmega328 Pro Mini (5pcs)
Arduino Micro — Arduino Official Store
Pro Micro 5V Compatible - Einstronic Enterprise
AITRIP 5 Pcs Pro Micro ATmega32U4 5V/16MHz Module Board with 2 Row Pin Header Compatible with Arduino Leonardo Replace ATmega328 Pro Mini (5pcs)
running at 5V/16MHz Supported under IDE v1.0.1 On-Board micro-USB connector for programming 4 x 10-bit ADC pins 12 x Digital I/Os
OSOYOO Pro Micro 5V/16MHz Module Board with 2 Row pin Header Replace wit Pro Mini for Arduino
The USB transceiver inside the 32U4 allows us to add USB connectivity on-board and do away with a bulky external USB interface. This tiny board does
Arduino Leonardo Pro Micro Atmega32U4 5V/16Mhz Replace Pro Mini ATmega328
Pro Micro ATmega32U4 5V 16MHz Mini MCU Leonardo – Makerlab Electronics
running at 5V/16MHz Supported under IDE v1.0.1 On-Board micro-USB connector for programming 4 x 10-bit ADC pins 12 x Digital I/Os
OSOYOO Pro Micro 5V/16MHz Module Board with 2 Row pin Header Replace wit Pro Mini for Arduino