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Electron-PS2USB

Board-Folk·keys·Acorn Electron/Prototype/Kicad/Electron-PS2USB.kicad_pcb

Electron-PS2USB PCB layout, top view — open source board by Board-Folk

About the Electron-PS2USB PCB

Electron-PS2USB is an open source PCB design by Board-Folk, published on GitHub. It is a 2-layer board measuring 84.5 × 58.1 mm, with 34 components from 15 distinct parts.

Other key parts include the MT8816 Socket and XAIO Socket. By type, the board carries 17 diodes, 9 resistors, 2 ICs, 2 capacitors, 1 transistor and 1 connector.

It belongs with the keyboards and retro computing designs in this gallery.

From the project

Board Folk Retro Keyboards and Adapters

A PS/2 and potentially USB keyboard interface for the Acorn Electron based on C64keyboard by Robert VanHazinga using an Arduino type board and an MT8816 switch chip. This is the original throughhole board. It won't fit inside the case with the lid on, but is easy to build. The PS/2 configuration is for Arduino Nano, the USB, Seeeduino XIAO, same as the original project. USB code not done yet. You may need to toggle Arduino IDE between processor ATmega328P and ATmega328P (old bootloader) depending on which Nano you have.

Electron-PS2USB, from the project README
From the project README

Main components on the Electron-PS2USB

MT8816 SocketXAIO Socket

Electron-PS2USB bill of materials (BOM)

34 components, 15 distinct parts.

QtyPartRefs
1
MT8816 Socket
U1
1
XAIO Socket
U7
1
BC517
Q1
1
PS/2
J3
2
KEYBOARD
CP1, CP2
14
D
D1, D2, D3, D4, D5, D6, D7, D8 +6
1
POWER
D15
1
RESET
D16
1
CAPS
D17
1
47nF
C1
1
47uF
C2
4
R
R2, R3, R4, R5
1
10K
R15
1
470R
R16
3
1K
R17, R18, R19

Electron-PS2USB design files

The KiCad project lives in the Board-Folk/keys repository on GitHub; these links point at the commit this page was built from.

Electron-PS2USB: common questions

How big is the Electron-PS2USB PCB?

The Electron-PS2USB measures 84.5 × 58.1 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Electron-PS2USB?

34 components, from 15 distinct parts. The full bill of materials is listed on this page.

Where can I download the Electron-PS2USB design files?

From the Board-Folk/keys repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Electron-PS2USB design in my own project?

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

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