Microprocessors; Circuit boards; Circuit boards provided with integrated circuits; Electronic components in the nature of capacitors, connectors, filters, oscillators, relays, switches, transformers, resistors, semiconductors, integrated circuits, rectifiers, transistors; Electronic servo motor controllers; Infrared sensors; LED position sensors; Light systems comprising light sensors and switches; Microcontrollers for internet of things (IoT) enabled devices; Photoelectric sensors; Printed c...