This is an USB interface for Psion series 5 PDA keyboards. Plug in a keyboard and a USB-C cable, and use it with any modern computer!
What is it?
An USB interface for Psion series 5 PDA keyboards. Plug in a keyboard and a USB-C cable, and use it with any modern computer. Additional keyboard layouts can be supported through firmware…
An USB interface for Psion series 5 PDA keyboards. Plug in a keyboard and a USB-C cable, and use it with any modern computer. Additional keyboard layouts can be supported through firmware changes.
This is the latest model with USB-C, CircuitPython and KMK support out of the box.
NOTE: The product photos also show a keyboard which is not included. I don't sell keyboards - you have to provide your own.
Why did you make it?
I needed an USB adapter for the Psion Series 5 keyboards. It turned out others wanted that as well, so I made them available.
What makes it special?
CircuitPython and KMK Compatible
The adapter uses a RP2040 CPU which has excellent CircuitPython support. The board comes pre-loaded with the KMK firmware. Currently, UK and Swedish/Nordic layouts are supported out of the box, and new layouts can easily be added.
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Review Breakdown
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4
1
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Average Ratings
Product:
(5.00)
Documentation:
(3.00)
Shipping:
(5.00)
Communication:
(5.00)
Sergey |
Oct. 29, 2025
Awesome product
I've ordered 3 items for my pet projects, all three work perfectly fine. Delivery was fast and communication clear. Documentation might be better but so far solved with good communication.
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