Sinclair ZX80 / ZX81 / Z88 Forums

ATARI ST Card (article's PCB):

Kicad v.6 & Gerber files: Note:
In the article, the component's side in the top view is false.
The photo gave the right component side.

AMSTRAD CPC 464/6128 analog card: GERBER/Kicad 6 project (NOT TESTED):
http://abandon.pcbs.free.fr/mageco.htm

For the AMSTRAD CPC 464/6128: (using a photodiode BWP 21 Telefunkel or a photoresistor = 2 colors) http://abandon.pcbs.free.fr/mageco.htm

Wings3D file only (All Project):

3D case:

Wings3D+STL:
(estimate price 2$ + Shipping for1 SLA resin ( IMAGINE BLACK) model)

Hi,

In fact, you have 5 PCB for the cylinder's sides board.
Two double boards (2PCB+2PCB 1.6mm*2 per side)

1 PCB remain and can be use to enclose the gears.

You had to cut it to let the motor and wiring things to pass throw it.

Have fun.

Connect the analogic card:

Wings3D v2.3 file:

Belt wheel (32mm) already done on the cylinder sides PCB.
facultative.

fixed by two pins 2mm diameter
(estimate price 1$ per wheel + Shipping for1 MJF ( PA12-HP nylon) model)

STL & my Wings3D files: