Arduino Uno - PB Ports LEDs

This project is a tiny, plug-and-play LED module designed to fit directly onto the PB header pins of an Arduino Uno (pins 8-13).

The compact PCB have six LEDs, giving you an easy and reliable way to experiment with digital outputs, learn register-level control, and prototype without messy jumper wires or unstable breadboard connections.

It’s a simple tool that makes low-level Arduino experimentation faster, cleaner, and far more convenient.

There are two variants of PCB with different layouts: one places the LEDs on the outside of the board, while the other positions them on the inside, closer to the Arduino. This allows you to choose the layout that best fits your prototype or enclosure.

To avoid confusion when mounting, simply align the GND (“G”) pin with the GND pin on your board (the one next to Pin 13).

Have fun !