Abstract: Various systems and methods for configurable modular devices are disclosed. For example, a system may be configured for swappable wiring configurations, LED light engine encodings, wireless network health determination and wireless health heatmap generation, wireless power transfer and replaceable batteries, AI modules for switch configurations, and/or the like individually and/or in combination. The system may include a modular control unit with a backplate. The backplate may include a first assembly configured to be fastened to a junction box and a removably couplable cup portion configured to be removably couplable to the first assembly and configured to electrically couple to wires of the junction box. The removably couplable cup portion may include a recess that includes a set of backplate electrical contacts.