HardLabs

Hackpad

obobed·hackpad

Hackpad PCB layout, top view — open source RP2040/RP2350 board by obobed

About the Hackpad PCB

Hackpad is an open source RP2040/RP2350 PCB design by obobed, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 94.5 × 53 mm, with 20 components from 6 distinct parts.

Its main chip is the XIAO-RP2040-DIP, from the RP2040/RP2350 family. By type, the board carries 12 diodes, 6 switches, 1 IC and 1 connector.

It belongs with the keyboards designs in this gallery.

From the project

A macropad that i'm currently making

Main components on the Hackpad

XIAO-RP2040-DIP

Hackpad bill of materials (BOM)

20 components, 6 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
XIAO-RP2040-DIP
U1
1
Conn_01x04_Pin
J1
5
SW_Push
SW1, SW3, SW4, SW8, SW9
1
RotaryEncoder_Switch
SW5
6
D
D1, D2, D4, D5, D8, D17
6
SK6812MINI
D9, D12, D13, D14, D15, D16

Hackpad design files

The KiCad project lives in the obobed/hackpad 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 94.5 × 53 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Hackpad?

20 components, from 6 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 obobed/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?

Yes, under the terms of its GPL-3.0 license, which obobed chose for the repository.

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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