Analog multimeters; Circuit boards; Computer component testing and calibrating equipment; Computer hardware and peripherals therefor; Computer hardware with embedded operating system software; Computer peripherals; Custom printed circuit boards; Digital multimeters; Downloadable computer-aided design (CAD) software for general use; Downloadable computer software for electronics design and simulation, electronics circuit drawing, code generation and editing, artificial intelligence integration, data storage, and for viewing and building printed circuit boards (PCBs); Downloadable software development kits (SDK); Electronic chips for the manufacture of integrated circuits; Electronic circuit board; Electronic components in the nature of electronics sensors, wireless modules, power supplies, breadboards, prototyping boards, component distributors; Integrated circuit cards and components; Integrated circuit modules; Microcontrollers; Microcontrollers for internet of things (IoT) enabled devices; Optical breadboards; Oscilloscopes; Power supplies; Signal generators