Evaluation and demonstration boards and kits are pre-assembled development platforms designed to help engineers, designers, and students test, evaluate, and understand the functionality of electronic components and systems. These kits typically include one or more integrated circuits (ICs), supporting circuitry such as power supplies, input/output interfaces, connectors, sensors, and sometimes software or graphical user interfaces. They provide a complete, ready-to-use solution for assessing device performance, experimenting with features, and demonstrating capabilities without the need for custom PCB design.