Pinball machine eats your quarters, tells time

pinball_machine_clock

[alanamon] had an old pinball machine in his basement, and thought it would be cool to rig it up to serve as a clock as well. He didn’t want it to be just any clock however, he wanted the pinball machine to be the most accurate clock in his house.

Other than telling time using the game’s scoring reels, there were two other things that he wanted to ensure with this build – that the game functioned normally when desired, and that the clock mechanism made no permanent changes to the game. To accomplish this, he dug around inside the machine and made all of his connections using clips secured to the game’s Jones plugs instead of drilling holes and soldering wires.

The clock runs off an Arduino, which gets its its time data using an old GPS receiver he had kicking around. The receiver pulls time data from GPS satellites much like this clock we featured yesterday, updating the score reels once every minute. The clock can be programmed to turn the machine on and off at a scheduled time each day, and simply turning off the Arduino will allow you to play the game in its unaltered state.

We never really contemplated using a pinball machine to tell time, but it works for us! Check out a video of his pinball clock in action after the jump.

Comments

  1. WhiteGoblin says:

    Whew! I was about ready to go atomic rage on this one, then I read that it still functions completely as normal with nothing lost along the way. Excellent mate!

    Also I have to say I approve of all things pinball related making it up on HaD. /thumbsup

  2. rob says:

    I agree
    I was starting to think what a waste
    but the man know how much that machine is worth
    any of the old bally machines from the 70’s are worth a few bucks

  3. Timmy says:

    It seems to me that the “Year” segment seems a tad wrong…
    It should read “02011” not “20110”. It doesn’t matter to me much, but someone reading this who believes in the Y10K would probably start kicking up hell.

    • Flavor says:

      About the 02010 vs 20100 thing, I initially thought the same, but it hit me right after. Many pinball machines had a dummy digit to make the scores look larger (which is obviously more exciting and quarter-worthy). The 1’s digit is most likely stuck at 0.

  4. Hirudinea says:

    I had clips on my Jones plug once, couldn’t walk straight for a week! BAZING! Anyway I think this is extra cool because he kept the machine totally unmodified and still added the clock, great work.

  5. mjrippe says:

    I will have to RTFA here – I have some scoring reels in a box somewhere that should really be put to use! Excellent job keeping the machine intact.

  6. Volkemon says:

    +10 for not altering the machine.. I have 3 working and a couple ‘Heads’ that would be good for this..

    Nice work!

  7. trekeyus says:

    +1000 for not altering the machine..

  8. Mustafa says:

    Sweet. Very good work man.
    wow if only those modern vfd’s lasted longer i’d write a custom rom for wpc machines

  9. Agent420 says:

    I’ve got an old 70’s Gottlieb EM pin, have always thought of doing the same thing. I also thought of using the chimes for the hour.

    It’s actually quite amazing to watch these old pins work… all those banks of relays clicking away performing logic without a single piece of silicon.

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