HardLabs

Classic48

pablojimenezmateo·classic48·v0/classic48/classic48.kicad_pcb

Classic48 PCB layout, top view — open source RP2040/RP2350 board by pablojimenezmateo

About the Classic48 PCB

Classic48 is an open source RP2040/RP2350 PCB design by pablojimenezmateo, published on GitHub. It is a 2-layer board measuring 275.5 × 76 mm, with 150 components from 5 distinct parts.

Its main chip is the RP2040_PRO_MICRO, from the RP2040/RP2350 family. Other key parts include the TRRS. By type, the board carries 50 diodes, 48 switches, 48 LEDs and 4 ICs.

It belongs with the keyboards designs in this gallery.

From the project

This is my custom keyboard

Classic48, from the project README
From the project README

Main components on the Classic48

RP2040_PRO_MICROTRRS

Classic48 bill of materials (BOM)

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

QtyPartRefs
2
RP2040_PRO_MICRO
RP2040_Pro_Micro
U1, U3
2
TRRS
U2, U4
48
Switch
SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8 +40
48
LED_SK6812MINI-E
LED1, LED2, LED3, LED4, LED5, LED6, LED7, LED8 +40
50
DIODE_1N4148-SOD123
Diode_1N4148-SOD123
D1, D2, D3, D4, D5, D6, D7, D8 +42

Classic48 design files

The KiCad project lives in the pablojimenezmateo/classic48 repository on GitHub; these links point at the commit this page was built from.

Classic48: common questions

What microcontroller does the Classic48 use?

The Classic48 is built around the RP2040_PRO_MICRO, from the RP2040/RP2350 family.

How big is the Classic48 PCB?

The Classic48 measures 275.5 × 76 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Classic48?

150 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 Classic48 design files?

From the pablojimenezmateo/classic48 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 Classic48 design in my own project?

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

Can I test firmware for the Classic48 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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