Controller

FIG. 1 is a perspective view of a controller;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a left view thereof;

FIG. 5 is a right view thereof;

FIG. 6 is a back view thereof; and,

FIG. 7 is a front view thereof.

The dashed broken lines in the figures show portions of the controller or environment that form no part of the claim. In particular, the dashed broken lines showing the display portions depict an environmental structure that form no part of the claimed design. All other dashed broken lines illustrate portions of the controller that form no part of the claimed design.