A500Mini Keyboardification – Part 6 or 7 I think

Minor update on progress…made the schematic a bit clearer for me to understand, also am doing a dual footprint style setup – where I overlay multiple component footprints incase one becomes hard to get.

I’m also creating two ways of driving the matrix, an on-board RP2040 chip and, if they become hard to get, a seperate daughterboard which can house a Pi Pico

Kinda pausing PCB development until my Amiga 500 Mini device arrives in the post, but i’ll be playing with the PRK firmware next!


Author: Bleugh

Early Fourties, Wife, two kids in primary school. Both of us work full time...5 years now we’ve been Back in Blighty after a decade away...It's a new country for everyone! Still finding time to tinker!

2 thoughts on “A500Mini Keyboardification – Part 6 or 7 I think”

  1. Actually TheA500mini seem to come with US-keyboard, not international version. International version has two keys more (smaler left shift and using ISO-Enter. Maybe you should design the PCB for international version. If using US-layout, simply define left extra key to be also left-shift and the right extra key to be also ISO-enter, using this extra keys as “stabilizers” for the bigger US-left-shift and US-enter keycaps. So just some different keycaps and slightly different firmware to make the PCB usable everythere…

    Liked by 1 person

    1. That’s a good idea. It’s also fairly easy to implement. I’m going to populate the extra spaces on the PCB so it’ll be a ‘simple’ case of just printing up different sized left shift and enter keycaps


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