OFIR’s Hackpad – Custom 3×2 KMK Macropad with OLED, RGB & EC11 Encoderoder

A custom-designed 4×4 mechanical macropad built around the Seeed XIAO RP2040, featuring:

Matrix-scanned mechanical switches with diodes

SK6812 Mini RGB LEDs

0.91" OLED display

KMK firmware (CircuitPython)

Project Images

schematic 1

PCB layout

case top & buttomttom

assembled case

Bill of Materials (BOM)

1x XIAO RP2040

6x Cherry MX keyboard switch

1x EC11 rotary encoder with push switch

2x SK6812 MINI-E RGB LED

6x 1N4148 diode (DO-35)

1x 0.91" SSD1306 OLED (4-pin)

Name	Name	Last commit message	Last commit date
Latest commit ofirgonen20-lang Add files via upload Feb 11, 2026 ce93bb8 · · Feb 11, 2026 History 21 Commits
CAD	CAD	Add files via upload	Feb 11, 2026
IMAGES	IMAGES	New repository for my keyboard project!	Jan 16, 2026
PCB	PCB	extractig files out of folder	Jan 16, 2026
firmware	firmware	extractig files out of folder	Jan 16, 2026
readme.md	readme.md	UPDATING README	Jan 17, 2026

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OFIR’s Hackpad – Custom 3×2 KMK Macropad with OLED, RGB & EC11 Encoderoder

Project Images

schematic 1

PCB layout

case top & buttomttom

assembled case

Bill of Materials (BOM)

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ofirgonen20-lang/KeyboardPCB

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OFIR’s Hackpad – Custom 3×2 KMK Macropad with OLED, RGB & EC11 Encoderoder

Project Images

schematic 1

PCB layout

case top & buttomttom

assembled case

Bill of Materials (BOM)

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