HardLabs

Macropad

realBoltDev·macropad·pcb/Macropad.kicad_pcb

Macropad PCB layout, top view — open source RP2040/RP2350 board by realBoltDev

About the Macropad PCB

Macropad is an open source RP2040/RP2350 PCB design by realBoltDev, published on GitHub. It is a 2-layer board measuring 42.7 × 62.7 mm, with 9 components from 5 distinct parts.

Its main chip is the XIAO-RP2040-DIP, from the RP2040/RP2350 family. By type, the board carries 4 switches, 3 diodes, 1 IC and 1 resistor.

It belongs with the keyboards designs in this gallery.

From the project

Building a custom macropad using KiCad and Autodesk Fusion.

A custom 4 key macropad with 2 SK6812 Mini LEDs. It has a power LED with a resistor, and uses KMK firmware.

It was truly a fun and amazing learning experience for me making this macropad as it was my first project where I designed schematic & PCB with KiCad and the 3D case with Autodesk Fusion.

Main components on the Macropad

XIAO-RP2040-DIP

Macropad bill of materials (BOM)

9 components, 5 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
XIAO-RP2040-DIP
U1
4
SW_Push
SW1, SW2, SW3, SW4
2
SK6812MINI
D1, D2
1
PWR_LED
D3
1
270R
R1

Macropad design files

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

Macropad: common questions

What microcontroller does the Macropad use?

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

How big is the Macropad PCB?

The Macropad measures 42.7 × 62.7 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Macropad?

9 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 Macropad design files?

From the realBoltDev/macropad 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 Macropad design in my own project?

The repository has no license, so all rights stay with realBoltDev. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Macropad 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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