TAB1540multipad

TAB1540multipad is a 9 key macropad with 1 rotary encoder, an OLED Display. It also has 4 WS2812B Leds, and uses KMK firmware.

Features

• Basic abs 3d printable case
• 128x32 OLED Display
• 1 EC11 Rotary encoder for spinning around
• 4 WS2812B RGB LEDs.
• 9 keys

CAD demo

Everything fits together using 4 M3 Bolts. Case is made from 2 parts.

Designed using freeCAD 1.0.1 (first time for me)

PCB

This is my PCB, which was made in KiCad.

PCB

Schematic

Firmware Overview

This hackpad uses KMK firmware for maybe everything

• The rotary encoder changes volume. press do nothing
• The 9 keys is just keys
• The OLED is something I forgor

BOM:

Here should be everything you need to make this hackpad

• 9x Cherry MX Switches
• 9x DSA Keycaps
• 4x M3x16mm SHCS Bolts
• 9x 1N4148 DO-35 Diodes.
• 4x WS2812B LEDs
• 1x 0.91" 128x32 OLED Display
• 1x EC11 Rotary Encoder
• 1x XIAO RP2040
• 1x Case (2 printed parts)

Extra

This is another version of this project