2 layers96 × 74 mm
MacroController
alex1klimovich/nrf52840-macro-controller
Custom nRF52840 productivity controller for digital artists — PCB, BLE/USB firmware, OLED, haptics, RGB, and enclosure CAD.
78 parts1
2 layers100 × 100 mm
Hackpad
anshxlm/hackpadThis is my hackpad! It has 8 backlit keys, a dial, an OLED, and a status LED.
- Size
- 100 × 100 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 29
- Nets
- 32
- Pads
- 133
- Tracks, vias
- 374, 37
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 8 Feb 2026
- Updated
- 8 Feb 2026
Overview
Hackpad is an open-source printed circuit board by anshxlm, from the anshxlm/hackpad repository on GitHub. It is a 2-layer board of 100 × 100 mm with 29 parts on 32 nets, routed with 374 tracks and 37 vias.
It is built around the 1N4148WT and SK6812MINI-E. Its parts include 18 diodes, 9 switches and 2 ICs. It belongs with the RP2040 boards of this library.
Main components
2
1N4148WT
SOD-523-55℃~+150℃ 1.25V@150mA 100V 150mA 150mW 1uA@75V 2A 4ns Independent SOD-523 Switching Diodes ROHShongjiachengSwitching Diodes
SK6812MINI-E
SMD-40℃~+85℃ 0.6mA 1.78mm 120mcd~240mcd 120° 160mcd~320mcd 1kHz 2.8mm 2000V 3.2mm 3.7V~5.5V 460nm~470nm 515nm~525nm 620nm~625nm 800Kbit/s 815mcd~1275mcd Semi-transparent lens SMD RGB LEDs(Built-in IC) ROHSOPSCO OptoelectronicsRGB LEDs(Built-In IC)
README
README.mdAnshul's hackpad
This is my hackpad! It has 8 backlit keys, a dial, an OLED, and a status LED.
Schematic
PCB
Case!
BOM
| Part | Quantity |
|---|---|
| SK6812MINI LED | 9 |
| Rotary Encoder | 1 |
| Cherry MX Switch | 8 |
| Diodes | 9 |
| OLED | 1 |
| XIAO-RP2040 | 1 |
Parts
29| Qty | Value | Footprint | References |
|---|---|---|---|
| 9 | 1N4148WT | Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal | D7, D8, D9, D10, D11, D12, D13, D14, D15 |
| 9 | SK6812MINI-E | Hackpad:SK6812MINI-E_fixed | D1, D2, D3, D4, D5, D6, D16, D17, D18 |
| 8 | SW_Push | Button_Switch_Keyboard:SW_Cherry_MX_1.00u_PCB | SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8 |
| 1 | OLED_0.91_128x32 | oled:OLED_0.91_128x32 | U2 |
| 1 | RotaryEncoder_Switch | Rotary_Encoder:RotaryEncoder_Alps_EC11E-Switch_Vertical_H20mm | SW10 |
| 1 | XIAO-RP2040-DIP | OPL Lib:XIAO-RP2040-DIP | U1 |
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Questions
How big is the Hackpad PCB?
It measures 100 × 100 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Hackpad use?
29 parts, built around the 1N4148WT and SK6812MINI-E. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Hackpad KiCad files?
From the anshxlm/hackpad repository on GitHub, at the commit this page was made from: the board is PCB/hackpad.kicad_pcb and its schematic PCB/hackpad.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Hackpad design in my own project?
Its repository states no licence, so its author keeps all rights: ask anshxlm before reusing the design.