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Hackpad

sinismylastname·SinHackpad·PCB/hackpad.kicad_pcb

Hackpad PCB layout, top view — open source RP2040/RP2350 board by sinismylastname
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About the Hackpad PCB

Hackpad is an open source RP2040/RP2350 PCB design by sinismylastname, published on GitHub. It is a 2-layer board measuring 76.2 × 45.7 mm, with 9 components from 3 distinct parts.

Its main chip is the XIAO-RP2040-DIP, from the RP2040/RP2350 family. By type, the board carries 4 switches, 4 diodes and 1 IC.

It belongs with the keyboards designs in this gallery.

From the project

sinismylastname's hackpad design, first blueprint project

A compact four-key macropad designed primarily for digital art shortcuts.

Four programmable macro keys for common digital art actions: undo, redo, copy, and paste A two-piece 3D-printed enclosure An integrated keychain ring, so I can attach it to my backpack---or my Hackpack... heh, get it? RGB LEDs for some cool lighting effects Designed and built in a single day What else do you want me to say? It has four keys, and they do things.

Hackpad, from the project README
From the project README

Main components on the Hackpad

XIAO-RP2040-DIP

Hackpad bill of materials (BOM)

9 components, 3 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
XIAO-RP2040-DIP
U1
4
SW_Push
SW1, SW2, SW3, SW4
4
SK6812MINI
D1, D2, D3, D4

Hackpad design files

The KiCad project lives in the sinismylastname/SinHackpad repository on GitHub; these links point at the commit this page was built from.

Hackpad: common questions

What microcontroller does the Hackpad use?

The Hackpad is built around the XIAO-RP2040-DIP, from the RP2040/RP2350 family.

How big is the Hackpad PCB?

The Hackpad measures 76.2 × 45.7 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Hackpad?

9 components, from 3 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 sinismylastname/SinHackpad 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 sinismylastname. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Hackpad 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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