Irrigation Controller

FIG. 1 is a top, front, and right side perspective view of an irrigation controller, showing my new design; FIG. 2 is a bottom, front, and left side perspective view thereof; FIG. 3 is a top, rear, and right side perspective view thereof; FIG. 4 is a bottom, rear, and left side perspective view thereof; FIG. 5 is a front view thereof; FIG. 6 is a rear view thereof; FIG. 7 is a left side view thereof; FIG. 8 is a right side view thereof; FIG. 9 is a top view thereof; and, FIG. 10 is a bottom view thereof. The broken lines in the figures illustrate the portions of the design that form no part of the claimed design.