Hackpad
About the Hackpad PCB
Hackpad is an open source PCB design by kira-iovenko, published on GitHub. It is a 2-layer board measuring 76.2 × 82.2 mm, with 27 components from 5 distinct parts.
Other key parts include the MOUDLE-SEEEDUINO-XIAO and ER_OLEDM0.91_1x-I2C. By type, the board carries 13 switches, 12 diodes and 2 ICs.
It belongs with the keyboards and displays & leds designs in this gallery.
From the project
A 12-key custom macropad with a rotary encoder and a little OLED screen, built from scratch - PCB, case, and firmware.
A 12-key custom macropad with a rotary encoder and a little OLED screen, built from scratch - PCB, case, and firmware.
- 12 keys in a 4x3 grid - Rotary encoder for volume - 0.91" OLED display for status - Runs on a Seeed XIAO RP2040 - QMK firmware
- Controller: Seeed XIAO RP2040 - Switches: 12x Cherry MX - Diodes: 12x 1N4148 - Encoder: EC11 rotary encoder - Display: 0.91" SSD1306 OLED (128x32)
Main components on the Hackpad
Hackpad bill of materials (BOM)
27 components, 5 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | MOUDLE-SEEEDUINO-XIAO | XIAO-Generic-Hybrid-14P-2.54-21X17.8MM | U1 |
| 1 | ER_OLEDM0.91_1x-I2C | ER_OLEDM0.91_1x-I2C | U2 |
| 12 | SW_Push | SW_Cherry_MX_1.00u_PCB | SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8 +4 |
| 1 | RotaryEncoder_Switch | RotaryEncoder_Alps_EC11E-Switch_Vertical_H20mm | SW13 |
| 12 | 1N4148 | D_DO-35_SOD27_P7.62mm_Horizontal | D1, D2, D3, D4, D5, D6, D7, D8 +4 |
Hackpad design files
The KiCad project lives in the kira-iovenko/hackpad repository on GitHub; these links point at the commit this page was built from.
- Layoutpcb/hackpad.kicad_pcb
- Schematicpcb/hackpad.kicad_sch
- BOMBOM.csv
Hackpad: common questions
How big is the Hackpad PCB?
The Hackpad measures 76.2 × 82.2 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Hackpad?
27 components, from 5 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the Hackpad design files?
From the kira-iovenko/hackpad repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the Hackpad design in my own project?
The repository has no license, so all rights stay with kira-iovenko. Use it as a reference, and ask the author before reusing the design.
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