FIG. 1 is an environmental side view of a controller;
FIG. 2 is a top plan view thereof;
FIG. 3 is an elevated side view thereof;
FIG. 4 is an elevated rear view thereof;
FIG. 5 is an elevated front view thereof;
FIG. 6 is an elevated side view thereof;
FIG. 7 is a bottom view thereof;
FIG. 8 is a front perspective view thereof;
FIG. 9 is a front perspective view thereof;
FIG. 10 is a rear perspective view thereof;
FIG. 11 is an environmental rear perspective view of another embodiment thereof;
FIG. 12 is an environmental elevated side view thereof;
FIG. 13 is an environmental exploded side view thereof;
FIG. 14 is a top plan view thereof;
FIG. 15 is an elevated side view thereof;
FIG. 16 is an elevated rear view thereof;
FIG. 17 is an elevated front view thereof;
FIG. 18 is an elevated side view thereof;
FIG. 19 is a bottom view thereof;
FIG. 20 is a front perspective view thereof;
FIG. 21 is a front perspective view thereof; and,
FIG. 22 is a rear perspective view thereof.
The broken lines shown in the drawings are included for the purpose of illustrating exemplary environment, and form no part of the claimed design.