> How about attempting to build one? How hard would it be to attempt it?Does anyone have the specifications necessary?
Here's what I found on google for the Plus's keyboard specs: Pin: 1 CGND --- Chassis ground 2 KBD1 ? Keyboard clock 3 KBD2 ? Keyboard data 4 +5V --> +5 VDC
I know that on the ADB protocol there's +5v, Gnd, Data, and Pwr On. The Plus keyboard protocol seems a lot different, and there's a clock out pin which the ADB or even the PS/2 protocol of PC's needs, so it sounds like the project would be pretty hard and you would have to know a lot more about the keyboards to do it.
PS/2 and Mac Plus use a superficially similar protocol for their keyboards. ADB however is quite different. For starters it is addressable so every key struck includes the address of the device to differentiate it from another keyboard, mouse, joystidck or other ADB device.
--
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting
"I'm a designated driver on the Information Super Highway"
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