đ/đ Piperpad
a tiny 3Ă3 hackpad with per-key RGB light.
Each of the 9 keys has its own RGB LED. Instead of just pressing buttons, you can enter sequences and patterns that unlock behaviors, layers, or macros.
It is built to make secure passcode patterns with different Led lights.
Hackpad Overview

Schematic

PCB

Case Design

Firmware
Firmware is not complete only test code for now, will update code when I get physical materials to work on.