content material comming from hackaday.com
Bowling is nice and all, however the unpredictability of that little ball leap in Skee-Ball is a lot extra thrilling. You may play it straight, or spend a bunch of time perfecting the 100-point shot. And in contrast to bowling, there’s nothing to reset, as a result of gravity provides you the balls again.
In considered one of [gcall1979]’s earlier Skee-Ball machines, gravity assisted the scoring mechanism, too: every ball rolls again to the participant and lands in a lane labeled with the corresponding rating, which is an attention-grabbing engineering problem in its personal proper. He decided to build automatic scoring into his newest Skee-Ball machine.
On the backside of every cylinder is an arcade machine coin door change with an extended wire actuator. These needed to be mounted so that they’re shut sufficient to the opening, however out of the way in which of the balls.
Every change is wired as much as an Arduino Mega together with 4 massive 7-segments for the rating, and a large 7-segment to indicate the variety of balls performed. Each time the sport is reset, a servo drops a door to launch the balls, similar to a industrial machine.
The arcade switches work fairly nicely, particularly as soon as he bent the wire into hook form to cowl extra space. However they do fail every so often, perhaps as a result of the targets are full-size, however the balls are half regulation dimension. For the subsequent one, [gcall1979] is planning to make use of IR break-beam targets which should work with any dimension ball. Should you desire bowling, you won’t strike out with break-beam targets there, either.
— to hackaday.com