C64Mini – Quiet but still Tinkering…Keyboard Mod

Some time back I purchased a Lovely little Commodore Retro item – A C64 Mini


Borrowed off the Retro Games website – The C64 Mini


It’s a TINY C64…….With a non-functional, cosmetic appearances only keyboard 😦

Lets fix that…………….


First thing needed – Is it even possible to mechanically fit a working keyboard in this device? –

Have to quickly whip out Fusion360

Keyboard Mod - Rough DrawingKeyboard Mod - Critical Dimensions

Explaining the images….

Looks like we can – This is a rough outline of the shell of the C64Mini. The shell is about 2.4mm thick injection moulded plastic

The dimensions i’m interested in are below – Switch and PCB


The Volume my keyboard modification can occupy is highlighted in yellow –

My custom Keyboard PCB Can be up to 6.1mm thick (including components) on the rear side before I run into possible interference with the LED plug on the Mini’s motherboard

The Switch Clearance – From the top of the PCB to the bottom of the plastic shell – that’s 4.8mm

So, No problem at all right now – There looks like there’s enough space!






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!

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