Inside is Arduino Pro Micro and a PMW 3389 optical sensor on a breakout board. [Ben] was going to use flexible 3D printed panels as mouse buttons, but then had an epiphany — why not use keyboard ...

The Pro Micro controller is way cheaper and easier to get in some cases than the ever diminishing supply of teensy 2.0 controller. It is a clone of the Arduino Leonardo with an ATmega32U4 processor.

Emulates a Sega Saturn controller using an Arduino Pro Micro - Ryan-Myers/Arduino-Saturn-Controller. Skip to content. Navigation Menu Toggle navigation. Sign in Appearance settings. ... Pro Micro 5: ...

PD Micro is the first Arduino-compatible board with USB Type-C Power Delivery, which allows your project to make use of voltages from 5-20 V. It’s ...

Update April 2022: also works on clone of SparkFun Pro Micro (except no LED-BUILTIN is fitted) End Update. Here is ‘blink’ modified to work TXLED and RXLED as well as LED-BUILTIN. int RXLED = 17; // ...