So you want to practice ping pong but don’t have someone to play against? The Trainerbot can help. It is a smart ping pong robot that lets you practice a wide variety of shots and sequences to improve your skills. It gives you spin, direction, and trajectory control, which means you can practice various spins.
Trainerbot lets you choose any kind of spin and shot. The device pairs to your smartphone via Bluetooth. You can find out more about it on Kickstarter.