(Topic ID: 125816)

Ball Sorting under game logic?


By Zitt

3 years ago



Topic Stats

  • 12 posts
  • 9 Pinsiders participating
  • Latest reply 3 years ago by Zitt
  • Topic is favorited by 1 Pinsider

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#1 3 years ago

Guys - doing a little research - looking for games which sort balls in some manner. I *think* TZ has a white powderball; which I assume is sorted somehow against the regular pinballs.

Are there any other games which might do this?
Anyone have a theory of operations?

#2 3 years ago

What kind of sorting do you mean, sorting the powerball from the other balls with sensors, or just managing multiple balls within the machine? STTNG is a champ at diverting balls from various holes to VUKs under the playfield. You have one so I assume that's the first thing you imagined

#3 3 years ago

Yes. Different types of balls.

#4 3 years ago

Avatar LE and Rolling Stones LE are supposed to do this as well to detect the non-metallic ball but I have not seen them in action.

#5 3 years ago

Zitt,

TZ doesn't really "sort" the balls.
It attempts to keep track of where the Powerball is using eddy sensors, and tracking logic.
Goldball somehow identifies the "gold" ball, but I never looked at the mech that does that.
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#6 3 years ago

Avatar has a white ceramic ball. It doesn't sort it. It just knows when its being used.

#7 3 years ago
Quoted from Mrjamma:

Avatar has a white ceramic ball. It doesn't sort it. It just knows when its being used.

Right. There are two strips of metal on the shooter lane. A metal ball completes a circuit when sitting on them. Ceramic doesn't. So with the shooter lane switch activated the machine can tell what kind of ball it's launching.

#8 3 years ago
Quoted from Aurich:

Right. There are two strips of metal on the shooter lane. A metal ball completes a circuit when sitting on them. Ceramic doesn't. So with the shooter lane switch activated the machine can tell what kind of ball it's launching.

Having never played an Avatar (crap.. I haven't even seen the movie..) this is a neat idea. Assuming the metal doesn't corrode or wear or gunk up, probably an easier detection method than TZ..

#9 3 years ago

Still need to do an experiment with a reed-switch nearby the balltrough of the Twilight Zone.

#10 3 years ago

AFAIK No games actually "sort" balls, Pretty sure Gold Ball has two separate ball feed positions and the gold finish on the ball is just for show. The rest of them just detect when the special ceramic ball comes into play.

For materials sensing your options are a reed switch or some sort of hall effect or eddy sensor, or a switch closure like it sounds like Avatar LE might use, not familiar with it. If the ball is stationary than an albedo sort or color detection would also probably be possible with an RGB led and one or more cheap phototransistors.

#11 3 years ago

Another option: If you're already going to be getting custom ceramic balls or something in any sort of quantity, it's possible that you could get them with a passive RFID embedded in them. No idea what that would cost you. With a low power antenna you could limit the effective range to a couple inches. That would be sweet.

#12 3 years ago

There are color detection devices... but yeah; I was kinda thinking this would be a situation where there really wasn't something comparable.

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