Gustav0547.hackpad.io
Gustav0547·gustav0547.hackpad.io·kicad/Jason's Hackpad.kicad_pcb
About the Gustav0547.hackpad.io PCB
Gustav0547.hackpad.io is an open source RP2040/RP2350 PCB design by Gustav0547, published on GitHub. It is a 2-layer board measuring 77.8 × 115.5 mm, with 34 components from 4 distinct parts.
Its main chip is the XIAO-RP2040-SMD, from the RP2040/RP2350 family. By type, the board carries 16 switches, 16 diodes and 2 ICs.
It belongs with the keyboards and displays & leds designs in this gallery.
From the project
Macropad with 16 buttons, 15 to run shortcuts, 1 to swap between sets of keys, and a screen to display what set of keys is active.

Main components on the Gustav0547.hackpad.io
Gustav0547.hackpad.io bill of materials (BOM)
34 components, 4 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | XIAO-RP2040-SMD | XIAO-RP2040-DIP | U1 |
| 1 | ~ | Untitled | U2 |
| 16 | SW_Push | SW_Cherry_MX_1.00u_PCB | SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8 +8 |
| 16 | 1N4148 | D_DO-35_SOD27_P7.62mm_Horizontal | D1, D2, D3, D4, D5, D6, D7, D8 +8 |
Gustav0547.hackpad.io design files
The KiCad project lives in the Gustav0547/gustav0547.hackpad.io repository on GitHub; these links point at the commit this page was built from.
Gustav0547.hackpad.io: common questions
What microcontroller does the Gustav0547.hackpad.io use?
The Gustav0547.hackpad.io is built around the XIAO-RP2040-SMD, from the RP2040/RP2350 family.
How big is the Gustav0547.hackpad.io PCB?
The Gustav0547.hackpad.io measures 77.8 × 115.5 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Gustav0547.hackpad.io?
34 components, from 4 distinct parts. The full bill of materials is listed on this page.
Where can I download the Gustav0547.hackpad.io design files?
From the Gustav0547/gustav0547.hackpad.io repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Gustav0547.hackpad.io design in my own project?
The repository has no license, so all rights stay with Gustav0547. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Gustav0547.hackpad.io without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug RP2040/RP2350 firmware against it before you order a PCB.
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