DC power supplies; switching power supplies; transformers; circuit boards; USB cable; breadboard; electronic components for integrated circuits; jumper cables; Integrated circuit modules; display modules; chip sets

Manually-operated hand tools, namely, screwdrivers and bits therefor, ratcheting screwdrivers and bits therefor, wrenches, adjustable wrenches, socket wrenches, box-end wrenches, hex key wrenches, ratchets and ratchet wrenches, hand drills and bits therefor; Bits for hand drills; Bits for non-electric screwdrivers

computer software for electronic presentations