Pro Micro USB-C Controller (Black/Blue/Purple) - 42. Keebs

Pro Micro-based - 42. Keebs

Wireless Controller for PS4, BRHE Replacement Remote Gamepad Gaming Joystick Dual Shock/Touch Pad/ Built-in Speaker with Type-C Cable for Playstation 4/ PS4 Pro /Slim /PC (Blue) : : Video Games

Amkette, EvoFox, TWS, IT Peripherals

Arduino Pro Mini 328 - 5V/16MHz - DEV-11113 - SparkFun Electronics

The Pro Micro is a controller that can be used to power the Litl keyboard and many other keyboards. It has a USB Micro port.

Pro Micro Controller

RP2040 Pro Micro 16MB/128Mbit USB-C Controller – Keebio

Elite-Pi - USB-C Pro Micro Replacement RP2040 Controller – Keebio

Pro Micro USB-C Controller (Black/Blue/Purple) - 42. Keebs

Pro Micro-based - 42. Keebs

Chroma Cables: USB-C to B — DJ TechTools