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i want to try to make a DIY pinball nudge

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whatisk:


--- Quote from: NoOne=NBA= on April 28, 2006, 06:08:51 pm ---The best solution I've found to simulate the nudge effect is to have two extra flipper buttons that will do a left or right nudge when pressed separately, but produce a front nudge when hit simultaneously.

--- End quote ---

Is there any special setup needed to get the both pressed together to be front nudge? In my cab I already have the buttons for left and right nudge, but never gave much thought on how to do the front nudge.

NoOne=NBA=:

It's software dependent.

If the software supports logical inputs, like MAME, you can just program it to have Right=Right NOT Left, Left=Left NOT Right, and Front=Left AND Right.

Most of the commercial pinball applications don't support this though, so you'll need a circuit that will interpret the inputs for you.

I am attaching a diagram for a circuit that will do this, using (3) 5v DPDT Relays.
Without studying the current limitations, etc... on all the various encoders, I am reluctant to release any other ways of doing this.
The nice thing about this circuit is that it isolates the encoder terminals from the 5v source, and isn't USING the terminals to drive the relays.

You might have Randy, or Andy, suggest a different circuit, specific to their encoder, for accomplishing this.
I don't want to be responsible for a rash of warranty claims for either of them.

RayB:

Here are other threads discussing ideas. Unfortunately, some of the kool concept drawings people made are no longer working.  :(

http://forum.arcadecontrols.com/index.php?topic=21686.0
http://forum.arcadecontrols.com/index.php?topic=7178.0
http://forum.arcadecontrols.com/index.php?topic=35969.0
http://forum.arcadecontrols.com/index.php?topic=36338.0
http://forum.arcadecontrols.com/index.php?topic=34331.0


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