Arduino Pro Micro with Pins out for USB - Project Guidance

DIY SparkFun Pro Micro with USB-A Port - Parts Not Included

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

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

Complete guide to Arduino Pro Mini – Robocraze

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Arduino pro micro without usb - Microcontrollers - Arduino Forum

Merging Arduino Pro Micro and USB Host Tiny 2.0 - Project Guidance

Buy Pro Micro - 5V/16MHz - Atmega32u4 module - Botland - Robotic Shop

Arduino Micro Review - Workshopshed

Pro Micro RP2040 Hookup Guide - SparkFun Learn