Here is an open source robot capable of picking up golf balls, so you don’t have to. The G Bot comes with WiFi and Bluetooth control system. It uses GPS for object tracking and collision avoidance. The robot has a heavy duty construction and can haul a ball picker with up to 500-ball capacity.
The G Bot is powered by Raspberry Pi. Users can set speed limits, plan routes, and pair their device to iOS and Android devices. The G Bot is based on Ardupilot and NAVIO2.[where to find it]