Computerized on-line retail store services in the field of kits and parts for original, open source hardware electronics, electronics parts, accelerometers, adapters, amplifiers, antennas, batteries, blank electronic chip cards, cables, cameras, card reading equipment, cases, circuit testers, compasses, components, connectors, controllers, data loggers, displays, electric components, electric soldering irons, electric voltage transformers, electronic components, hobby kits, kits, LCD panels, ...