The ornamental design for a flexible circuitboard with connectors, as shown and described.
FIG. 1 is a perspective view of a flexible circuit board with connectors, according to an embodiment of the invention;
FIG. 2 is an enlarged view of the connectors of the flexible circuit board of FIG. 1;
FIG. 3 is a top view of the flexible circuit board with connectors of FIG. 1;
FIG. 4 is a bottom view of the flexible circuit board with connectors of FIG. 1;
FIG. 5 is a first side view of the flexible circuit board with connectors of FIG. 1;
FIG. 6 is a second side view of the flexible circuit board with connectors of FIG. 1;
FIG. 7 is a third side view of the flexible circuit board with connectors of FIG. 1;
FIG. 8 is a fourth side view of the flexible circuit board with connectors of FIG. 1;
FIG. 9 is another perspective view of the flexible circuit board with connectors of FIG. 1, installed in a casing of a lighting device; and,
FIG. 10 is an enlarged view of the connectors of the flexible circuit board of FIG. 9.
Broken lines present on the interior surface of the flexible circuit board with connectors in FIGS. 1-8 show portions of the circuit board that form no part of the claimed design. Broken lines in FIGS. 9 & 10 show environmental subject matter that likewise forms no part of the claimed design.