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...total of 11 Buttons are available, so I would need 11 GPIO's. But the zero has plenty of these. ...are wired to a very small PCB at the end which contains just a regular USB type B connector, and two RCA connectors, this can then be placed in a sub minia

...onnector, so you can power the ZX81+38 with an USB charger and a type-A to Type-B (Device) USB cable. I also placed the expansion port connector, which has the normal contact fingers, but can be enhanced with (gold plated) an angle

At the moment the PCB of the first prototype (ZX81+34) has been designed, and is ready to be tested. ...re being made, waiting for delivery next week, also a component order list has been created.

...er, able to drive a VGA monitor in high resolution, and with 64 colors, it has sound, and will have (BBC) BASIC and an SD-card for storage. ...d with most (VGA) monitors, and has a built in keyboard, can run BASIC and has a clear architecture, and is cheap to reproduce.