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Acorn-Joystick-Adapter

tebl·Acorn-Joystick-Adapter

Acorn-Joystick-Adapter PCB layout, top view — open source board by tebl
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About the Acorn-Joystick-Adapter PCB

Acorn-Joystick-Adapter is an open source PCB design by tebl, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 68 × 52.1 mm, with 32 components from 7 distinct parts.

By type, the board carries 22 resistors, 6 transistors and 4 connectors.

It belongs with the retro computing designs in this gallery.

From the project

Joystick adapter that allows you to use common Atari-style joysticks (C64/Amiga/Atari) on your BBC Micro computer!

I've been spending a lot of time restoring an old Acorn BBC Micro Model B, which mostly means fixing it up just enough to allow me to play all the entirely "unique" hits I've missed like Repton and Snapper. As much fun as those games are, I grew up with a Commodore 64 so using the keyboard for everything seemed slightly more manual that I'd like so the next step was figuring out how to get and maintain a Joystick setup for the system.

Acorn-Joystick-Adapter bill of materials (BOM)

32 components, 7 distinct parts.

QtyPartRefs
6
BC337
Q1, Q2, Q3, Q4, Q5, Q6
1
Acorn Computer
J1
1
Atari #1
J2
1
Atari #2
J3
1
Analog
J4
10
10k
R1, R3, R5, R8, R10, R12, R14, R16 +2
12
20k
R2, R4, R6, R7, R9, R11, R13, R15 +4

Acorn-Joystick-Adapter design files

The KiCad project lives in the tebl/Acorn-Joystick-Adapter repository on GitHub; these links point at the commit this page was built from.

Acorn-Joystick-Adapter: common questions

How big is the Acorn-Joystick-Adapter PCB?

The Acorn-Joystick-Adapter measures 68 × 52.1 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Acorn-Joystick-Adapter?

32 components, from 7 distinct parts. The full bill of materials is listed on this page.

Where can I download the Acorn-Joystick-Adapter design files?

From the tebl/Acorn-Joystick-Adapter repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Acorn-Joystick-Adapter design in my own project?

Yes, under the terms of its GPL-3.0 license, which tebl chose for the repository.

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