ZX81PLUS35 ZX81 clone: Difference between revisions
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I have also been busy designing a solution for the keyboard. | I have also been busy designing a solution for the keyboard. | ||
My solution is to use commercially available cheap 6x6mm buttons, which (with some effort by bending the pins a bit) can be mounted on an EuroCard sized piece of 1/10"raster perfboard, the result would like something like this: | My solution is to use commercially available cheap 6x6mm buttons, which (with some effort by bending the pins a bit) can be mounted on an EuroCard sized piece of 1/10"raster perfboard, the result would like something like this: | ||
[[File:Perfboard keyboard preview.png]] | |||
Here is the schematic of the keyboard: | Here is the schematic of the keyboard: | ||
Revision as of 12:54, 16 April 2014
The ZX14 is a much improved Sinclair ZX81 clone built with the modern materials techniques and components of 2014.
it will be fully open sourced effort (but note that the original design is still owned by Amstrad)
3D Preview
Here is a (3D rendered) preview.
Schematic
the latest schematic can be found here:
here is a preview:
Keyboard
I have also been busy designing a solution for the keyboard. My solution is to use commercially available cheap 6x6mm buttons, which (with some effort by bending the pins a bit) can be mounted on an EuroCard sized piece of 1/10"raster perfboard, the result would like something like this:
Here is the schematic of the keyboard:
I also designed a new keyboard overlay suitable for such a keyboard with the keys going through holes in the overlay. Here is a drawing showing how it would look:
Here is a correctly scaled .PDF.