Meet the myAGV: an open source Raspberry Pi robot with mecanum wheels that can carry two robotic manipulators. It can be programmed in C++ and Python. The robot has a built-in camera to identify objects and uses LiDAR and SLAM for navigation and mapping. You can control multiple units simultaneously.
This robot has a moving speed of 0.9m/s. It uses a Raspberry Pi 4B as its brain. It measures 300x205x145mm. More information is available here.