42 Design and development of technical specifications and use cases for consumer electronics, electronic devices, HVAC units, appliances, electric appliances, domestic appliances, connected consumer electronics, internet of things (IoT) devices, and smart objects; Design and development of reference architectures for consumer electronics, electronic devices, HVAC units, appliances, electric appliances, domestic appliances, connected consumer electronics, internet of things (IoT) devices, and smart objects; Testing, analysis, and evaluation of the goods and services of others to determine conformity with certification standards and specifications; Software development for others in the fields of consumer electronics, electronic devices, HVAC units, appliances, electric appliances, domestic appliances, connected consumer electronics, internet of things (IoT) and internet of things (IoT) devices, and smart objects; Technical research and design services in the fields of consumer electronics, electronic devices, HVAC units, appliances, electric appliances, domestic appliances, connected consumer electronics, internet of things (IoT) and internet of things (IoT) devices, and smart objects; Technical research and design in the fields of consumer electronics, electronic devices, HVAC units, appliances, electric appliances, domestic appliances, connected consumer electronics, internet of things (IoT) and internet of things (IoT) devices, and smart objects; Online non-downloadable computer software that enables the interoperability of consumer electronics, electronic devices, HVAC units, appliances, electric appliances, and domestic appliances; Testing, analysis, and evaluation of the products and services of others to determine conformity with certification standards