An IR sensor determines how far the ping-pong ball is from the edge of the beam. With everything wired to the Arduino, you have a pretty good testbed for a controller. If is common to “tune” a ...

Ping-pong balls have many uses: apart from playing table tennis, they have been used for countless art projects, science experiments, and even to raise ships from the bottom of the ocean.

This top-selling set comes with 60 white, 3-Star, 40mm ping-pong balls. They are durable, providing a consistent bounce with great spin and have good control. These table tennis balls are meant to ...