Today I printed out and glued together the first iteration of the ping-pong ball hopper that takes up most of the space of the robot.
![The assembled hopper](images/img_4405.jpg)
The assembled hopper
Full of ping-pong balls, I can get 12-14 in without packing them manually. That seems like enough for now, but a larger hopper would be good.
![The hopper loaded with ping-pong balls](images/img_4406.jpg)
The hopper loaded with ping-pong balls
Mounted on the robot. You can see the completed camera mount and Raspberry Pi mounted on the side in the foreground:
![The ping-pong ball hopper mounted on the robot](images/img_4407.jpg)
The ping-pong ball hopper mounted on the robot
![The reverse angle](images/img_4408.jpg)