Newbie needing keyboard splitter advice


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Posted by Marshall on 23, 2000 at 4:36 PM:

Sorry for the long post, but I'm almost in too deep on this.

On the BYOAC site, it shows an easier to build keyboard splitter than Stephan Han's design, but says that it has several disadvantages that Steven's design doesn't. Has anyone built one, or does anyone know what these are?

I am thinking of using a solderless breadboard (Radio Shack #276-175) for the circuit. Anyone used one? Good or bad idea? (I don't like soldering.)

The sockets are labelled CW 3 5 2 4 1 for both circuits. I assume that this is looking from the cable side in on the receptacle (looking at it the way the cable would be inserted). Is this correct?

The IC's are shown with numbered terminals. Looking down on the IC, are they usually numbered:

1 2
3 4 etc

or

1 7
2 8 ?

On the simpler circuit, is IC2A and IC2b two halves of one 4093 chip, or are two 4093 chips required?

The simpler circuit shows +5V and ground coming into the circuit. Can I just get this from pins 4 and 5 of the input cable?

Digikey sells a M-F coiled keyboard extension cable. Does anyone know a source for a M-M keyboard cable? Andy Warne sells them with the I-PAC, I know I can order one from him.

Does anyone know a source for a female - female DIN 5 keyboard connector (barrel style)?

Thanks in advance for any suggestions!



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