Digital Thermostat Controller for Heat Mats

FIG. 1 is a perspective view of a digital thermostat controller for heat mats showing the claimed design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a rear elevational view thereof; and,

FIG. 5 is a bottom plan view thereof.

Broken lines (if any) showing the environment in any figures are for illustrative purposes only and form no part of the claimed design.