The ornamental design for an electronic controldevice, as shown and described.
FIG. 1 is a perspective view of an electronic control device, showing our design;
FIG. 2 is a front elevation of the electronic control device of FIG. 1;
FIG. 3 is a rear elevation of the electronic control device of FIG. 1;
FIG. 4 is a right side elevation of the electronic control device of FIG. 1;
FIG. 5 is a left side elevation of the electronic control device of FIG. 1;
FIG. 6 is a top plan of the electronic control device of FIG. 1; and,
FIG. 7 is a bottom plan of the electronic control device of FIG. 1.
The broken lines, which define the bounds of the claimed design, form no part thereof. The broken lines environmental is for illustrative purpose only and form no part of the claimed design.