HardLabs

Cool macropad

BuffDuckie·cool_macropad·PCB/MacoPad.kicad_pcb

Cool macropad PCB layout, top view — open source RP2040/RP2350 board by BuffDuckie

About the Cool macropad PCB

Cool macropad is an open source RP2040/RP2350 PCB design by BuffDuckie, published on GitHub. It is a 2-layer board measuring 99.9 × 48.8 mm, with 14 components from 4 distinct parts.

Its main chip is the XIAO-RP2040-DIP, from the RP2040/RP2350 family. By type, the board carries 9 switches, 4 diodes and 1 IC.

It belongs with the keyboards designs in this gallery.

From the project

A macropad I made for hackclub

Cool macropad, from the project README
From the project README

Main components on the Cool macropad

XIAO-RP2040-DIP

Cool macropad bill of materials (BOM)

14 components, 4 distinct parts.

QtyPartRefs
1
XIAO-RP2040-DIP
U1
8
SW_Push
SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW9
1
RotaryEncoder
SW8
4
SK6812MINI
D1, D2, D3, D4

Cool macropad design files

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

Cool macropad: common questions

What microcontroller does the Cool macropad use?

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

How big is the Cool macropad PCB?

The Cool macropad measures 99.9 × 48.8 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Cool macropad?

14 components, from 4 distinct parts. The full bill of materials is listed on this page.

Where can I download the Cool macropad design files?

From the BuffDuckie/cool_macropad repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Cool macropad design in my own project?

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

Can I test firmware for the Cool 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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