HardLabs

TheMasterPad

z3phydev·TheMasterPad·Kicad/TheMasterPad.kicad_pcb

TheMasterPad PCB layout, top view — open source RP2040/RP2350 board by z3phydev

About the TheMasterPad PCB

TheMasterPad is an open source RP2040/RP2350 PCB design by z3phydev, published on GitHub. It is a 2-layer board measuring 100 × 100 mm, with 34 components from 12 distinct parts.

Its main chip is the XIAO-RP2040-DIP, from the RP2040/RP2350 family. Other key parts include the CH334R and Wires from XIAO. By type, the board carries 10 capacitors, 8 connectors, 8 switches, 4 ICs and 4 resistors.

It belongs with the keyboards and usb & debug tools designs in this gallery.

From the project

A usb hub and macropad mashup with 8 buttons, a rotay encoder, 5 usb a ports and a usb c port

TheMasterPad, from the project README
From the project README

Main components on the TheMasterPad

CH334RXIAO-RP2040-DIPWires from XIAO

TheMasterPad bill of materials (BOM)

34 components, 12 distinct parts — part numbers from the project's BOM.

QtyPartRefs
2
CH334R
U1, U2
1
XIAO-RP2040-DIP
Raspberry Pi
U3
1
Wires from XIAO
U4
1
USB MASTER
J1
5
USB_A
Molex
J2, J3, J4, J5, J6
2
USB_C
J7, J8
8
SW_Push
CHERRY
SW2, SW3, SW4, SW5, SW6, SW7, SW8, SW9
2
1uF
C1, C2
1
10 µF
C3
1
0.1 uF
C4
6
220uF
C5, C6, C7, C8, C9, C10
4
5.1kOhms
R1, R2, R3, R4

TheMasterPad design files

The KiCad project lives in the z3phydev/TheMasterPad repository on GitHub; these links point at the commit this page was built from.

TheMasterPad: common questions

What microcontroller does the TheMasterPad use?

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

How big is the TheMasterPad PCB?

The TheMasterPad measures 100 × 100 mm, has 2 copper layers and is 1.600198 mm thick.

How many components are on the TheMasterPad?

34 components, from 12 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 TheMasterPad design files?

From the z3phydev/TheMasterPad 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 TheMasterPad design in my own project?

The repository has no license, so all rights stay with z3phydev. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the TheMasterPad 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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