Power Modules
DC power and management modules: LM7805/7812 linear regulator boards, adjustable LM317 modules, AC-DC mini modules (Hi-Link, MeanWell), POE splitters, USB output modules, UPS boards. Filter by type (AC-DC, DC-DC), input, output, power, and adjustability. Used as embedded PSUs in DIY devices, equipment upgrades, and powering MCUs and sensor modules from mains or battery rails. Complements the DC-DC and adapter categories.