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2 layers104.1 × 64.5 mmPsiboard, the printed circuit board in 3D

Psion Series 5 based bluetooth keyboard

Size
104.1 × 64.5 mm
Copper layers
2
Thickness
1.69 mm
Parts
11
Nets
30
Pads
66
Tracks, vias
169, 4
Pours
1
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
10 Feb 2018
Updated
29 Sep 2026

Overview

Psiboard is an open-source printed circuit board by jbmorley, from the jbmorley/psiboard repository on GitHub, published under the MIT licence. It is a 2-layer board of 104.1 × 64.5 mm with 11 parts on 30 nets, routed with 169 tracks and 4 vias.

It is built around the 1N4148W. Its parts include 6 diodes and 2 connectors. It belongs with the keyboards and input and radio and wireless boards and the nRF52 and nRF5x boards of this library.

Main components

1

README

README.md

PsiBoard

build

Psion Series 5 based bluetooth keyboard.

BOM

FFC Connector

https://www.digikey.com/en/products/detail/molex/0524372271/3262899

22 Position FFC, FPC Connector Contacts, Bottom 0.020" (0.50mm) Surface Mount, Right Angle

Reset Switch

https://www.digikey.com/en/products/detail/panasonic-electronic-components/EVQ-P7A01P/4429447

Development

Useful Links

Parts

11
QtyValueFootprintReferences
61N4148WDiode_SMD:D_SOD-123D1, D2, D3, D4, D5, D6
1BAT+TestPoint:TestPoint_Pad_2.0x2.0mmJ2
1BAT-TestPoint:TestPoint_Pad_2.0x2.0mmJ3
1Conn_01x2222-pin molex:CON_524352271_MOLKEYBOARD1
1EVQ-P7A01PEVQ-P7A01P:SW_EVQ-P7A01PRESET1
1nice!nanoLibrary:nice!nanoNICENANO1

Questions

How big is the Psiboard PCB?

It measures 104.1 × 64.5 mm and has 2 copper layers, 1.69 mm thick.

What parts does the Psiboard use?

11 parts, built around the 1N4148W. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the Psiboard KiCad files?

From the jbmorley/psiboard repository on GitHub, at the commit this page was made from: the board is pcb/psiboard.kicad_pcb and its schematic pcb/psiboard.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Psiboard design in my own project?

Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).

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