A500 Mini Keyboard – Prototype 2 almost ready!

Three PCB’s are pretty mich ready to go . Just last minute checking, double checking, triple checking needed!.

I’m lacking lemmings on most of the boards, but be assured, there’ll be a few on the production units.

I’ve also now pretty much finished the keyboard CAD…Had to do yet another iteration to allow for the new switching mechanism i’m using..It’s really been a case of design, print, test, iterate, repeat!…Still ‘a few months away’ as always, Real life is taking over a little, meaning less time to perfect this lot.

On the plus side, I really do think this Prototype 2 will be ‘good enough’ for general testing and useage. Everything after prototype 2 will be geared to making it easier to install and add (or remove) extra features. Lots of pics after the break……………..

The USB Fake mini floppy adaptor

The Keyboard! way too many features added to this, it’s a 4 layer monster with hundreds of components
The ‘easy solder’ adaptor. only 4 solder points needed for the keyboard’s USB. The final one will look a little different as there’s a number of experiments on this one
The Easy solder Adaptor PCB stacked with the Floppy disc 3D print. The 3D print has the USB PCB inside and the floppy disc inserted!

And, finally , the Final Switch CAD – Probably! -This is a big image,

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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