Arduino Pro-Micro

(Micro-USB | USB-C), The Pro Micro is similar to the Pro Mini except with an ATmega32U4 on board. The USB transceiver inside the 32U4 allows us to

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

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

Pro Micro 5V/16MHz Arduino Compatible Microcontroller - RobotShop

Arduino Pro Micro Primer - Codrey Electronics

Pro Micro Raw pin - Project Guidance - Arduino Forum

Arduino Pro Mini 328 - 3.3V/8 MHz : ID 2377 : $11.95 : Adafruit Industries, Unique & fun DIY electronics and kits

Pro Micro - 5V/16MHz (Open hardware) - EasyEDA open source hardware lab

SparkFun 12640 Pro Micro - 5V/16MHz

How To Program The Pro Micro (atmega32u4) As A USB Gamepad Controller With Arduino - tinkerBOY

Arduino pro micro turning off itself - Project Guidance - Arduino Forum

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

Cytron Pro Micro ATmega32U4 5V 16MHz Micro-USB Development Module Board with 2 Row