Omnidirectional robot picking up tennis balls - YouTube
TENNIBOT Robotic Tennis Ball Collector at CES 2017 on BeTerrific!! - YouTube
Autonomous Tennis Ball Collector Final Design Review (FDR)
Design and Control of a Tennis Ball Collector Robot | Semantic Scholar
Tennibot, the World's First Robotic Tennis Ball Collector, Surpasses Crowdfunding Campaign Goal in 24 Hours on Kickstarter
GitHub - skyzh/tenitsu: 🎾 A robot automatically finds and fetches tennis balls on the ground. Use OpenCV on Android for computer vision. Final project for SJTU ME116 "IntroME".
Tennibot: vacuums up tennis balls, saving you time and hassle