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Stealth shift with Ipac

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Matt Berry:
The diode I was looking at was rated for 5v @ 50 ma, but I'm unsure if I should go higher. I'm a little gun shy in just throwing something together without knowing what the componet ratings should be. It really sucks to fry some componets because they were under rated.

Tiger-Heli:

--- Quote from: Matt Berry on October 26, 2004, 06:58:17 pm ---I've thought about using the stealth shift option with the Ipac. The only problem I have is I'm not sure what ratings (voltage / amperage) the componets should be (diodes, caps) . I'm planning on ordering through newark, but before I did I wanted to make sure I got the right stuff.

--- End quote ---
For those unfamiliar with it, there's also information at http://www.mameworld.net/tigerheli/encoder/shiftkeys.htm

I don't know the component ratings required.  I would think they would be minimal, but it wouldn't be a bad idea to contact Andy Warne at www.ultimarc.com and ask.

And I would like to emphasize that the following from my page still applies:

Remember that pressing a shifted button causes all the buttons to send their shifted inputs.  Therefore, if you use this method, I recommend that all keys that will not have a specific shifted function be programmed to send the same value shifted and unshifted.  And the less shifted inputs you have, the less problems you will have, but it is a very useful feature.

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