Idea for high score mod using audrino

[samslack]

So i had an idea after playing with battle counters a bit and Audrino. I want some thoughts from the experts that have done pachinko machine interfacing with battle counters.

So I have 5 pachinko machines 4 of them are CR units. I want to have it when it triggers a jackpot to send that signal to the audrino. Each machine will be assigned an identifier. When it jackpots / fevers a small lcd screen that is mounted next to each machine will prompt you to enter your initials / name . Kind of like an old scool arcade high score. I wonder if its possible to capture the amout of balls or cycles it did to attach to the initials.

I am knocking around the idea of having it store a small table of scores / fevers/jackpots with the initials. I also have thoughts to export and display this data on a scrolling 2 color lcd display that I can mount.


So far

I can determine that when it fevers there is a signal sent (same one the battle counters hook up too)
I can also create the touch screen that allows a user to input a name or initials
I am pretty sure with some testing and expermintation I can get it to even display on the LCD.

What I am not sure about is the signals from the machine. they seem to be different per machine and machine age.

Some older machines seem to output a 11 V signal as opposed to a contact on/off. Has anyone done anything similar or have experience with the signals the machines output?