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Pop-a-ball aracde game with Raspberry Pi

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orizzle:
Hi all,

I used to play the game Pop-A-Ball when I was a kid in the arcades.  Now I want to create my own.  If you don't know what that game is, here is a quick youtube video.

My question is, what can I buy to sense the balls are on a specific card (in a specific hole) and to make the balls pop?  I am fine with coding the software behind but trying to get a feel for what hardware I need.  I found some weight sensors for around $10 each, but with 25 or so holes, the project gets expensive quickly.

Any suggestions would be appreciated - thanks!

[Change the "https" to "http" and the video will embed instead of being a link.   ;D  -- Scott]

05SRT4:
This video you speak of?

orizzle:
My bad, don't know where the link went:

05SRT4:
Instead of doing weight sensors you can do a IR line break sensor.

Put a set in each hole,when the ball falls in it will break the beam sending a simple code (in/out) or how ever you want to do it.

I guess the hard part would be separating each set as a different card. You said your good at coding so I will leave that to you.

As far as the ball popping part it looks they could be little solenoids. One for each then a main one to push the whole playing field.

PL1:
For the sensors, you might want to look at IR LEDs/sensors from adafruit. (<$2 each)

This one is a beam-break-style pair that have been used for skeeball builds and pinewood derby timer triggers.

This one is a reflective-style pair that might work.

For the ball "popper", you might want to look into pinball solenoids like Vertical Up-Kickers (VUKs) -- this may take some experimenting to find the right one to launch the ball with the desired amount of force.


Scott

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