Robot controller

FIG. 1 is a front, top, right perspective view of a robot controller showing our new design according to an embodiment;

FIG. 2 is a rear, top, right perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The broken lines in the drawings are for the purpose of illustrating unclaimed portions of the robot controller and form no part of the claimed design.