HardLabs

QMK-ADB-to-USB

Wout-M·QMK-ADB-to-USB·pcb/adb-usb-converter.kicad_pcb

QMK-ADB-to-USB PCB layout, top view — open source board by Wout-M

About the QMK-ADB-to-USB PCB

QMK-ADB-to-USB is an open source PCB design by Wout-M, published on GitHub. It is a 2-layer board measuring 48.3 × 17.8 mm, with 4 components from 4 distinct parts.

Other key parts include the ProMicro. By type, the board carries 2 connectors, 1 IC and 1 resistor.

It belongs with the keyboards, retro computing and displays & leds designs in this gallery.

From the project

A centralized place for resources related to making & configuring a ADB to USB converter for vintage Apple keyboards

Special thanks to tzarc for making the firmware of the converter & ronangaillard for making the PCB.

,----. / o4 3o \ 1: DATA | o2 1o | 2: Power SW - === - 3: VCC -___-' 4: GND

Keyboard Converter ,------. VCC-----+------|5V | | | | [R] | | | | | DATA----+------|PD0 | | | GND------------|GND | `------' R: 1K Ohm resistor

I'll be using an Arduino Pro Micro for this, where pin PD0 is pin 3 (D0 on the image).

QMK-ADB-to-USB, from the project README
From the project README

Main components on the QMK-ADB-to-USB

ProMicro

QMK-ADB-to-USB bill of materials (BOM)

4 components, 4 distinct parts.

QtyPartRefs
1
ProMicro
U1
1
Conn_01x05_Female
J1
1
Conn_01x04_Socket
J2
1
R
R1

QMK-ADB-to-USB design files

The KiCad project lives in the Wout-M/QMK-ADB-to-USB repository on GitHub; these links point at the commit this page was built from.

QMK-ADB-to-USB: common questions

How big is the QMK-ADB-to-USB PCB?

The QMK-ADB-to-USB measures 48.3 × 17.8 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the QMK-ADB-to-USB?

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

Where can I download the QMK-ADB-to-USB design files?

From the Wout-M/QMK-ADB-to-USB repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the QMK-ADB-to-USB design in my own project?

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

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