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Arcade Cabinet Upgrade - Looking for input

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joshlindem:
I put this larger part of the project on hold for a while (working on other projects) But I circling back around to his now looking to modify te physical cabinet (remove a lot of dead weight and perhaps cut down the cabinet)

But first I’m looking at how I can connect a pi5 to te existing structure and remove the DOS-based PC.

Has anyone done something similar to this?

PL1:

--- Quote from: joshlindem on July 23, 2025, 11:19:02 pm ---
--- Quote from: burnaz1124 on February 24, 2025, 09:46:03 pm ---This is close to what I want to do.  I have 24 buttons, 3 joysticks, 1 spinner and 1 trackball.  Looking for a board that can handle that. Please advice.  TIA!

--- End quote ---

Ultimarc has an I-PAC 4 that should cover all that

--- End quote ---
An IPac4 has 56 microswitch inputs, but does not have any optical inputs for the trackball/spinner.
- The Dupont pins on an IPac4 are only for programming the board at the factory.

You can fit those controls on one Ult. I/O board.
https://www.ultimarc.com/control-interfaces/i-pacs/i-pac-ultimate-i-o/

--- Quote --- Wiring harness supplied for 32 input connections. Additional harness options for the other 16 inputs. Connections marked on the board.
Trackball and spinner interface. When enabled these use a total of 6 of the available 48 inputs.

--- End quote ---

24 buttons (24 microswitches) + 3 joysticks (12 microswitches) = 36 microswitch inputs.

Trackball and spinner need 5v + ground + a total of 6 optical inputs.

That leaves you with 6 unused inputs.  ;D

If you like the wiring on the IPac2 better, use two IPac2s or

If you want to cut costs, use an IPac2 for 32 buttons/trackball/spinner and an Arduino with a keyboard firmware for four of your admin buttons. (Coin, Start, Pause, Exit, etc.)


Scott

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