Features: Upgrade your projects with this comprehensive Starter set featuring for seamless programming and hardware integration. The improved microcontroller delivers robust processing power, while bundled components like temperature sensors, buzzers, and motors enable diverse experiments with card recognition and data management. Ideal for STEM educators, electronics hobbyists, and developers seeking hands on experience with technology and prototyping across skill levels. Perfect for classroom demonstrations, home automation simulations, and secure access prototyping in educational labs or workshops using ABS+metal. Explore real world applications through interactive coding exercises, combining functionality with light/temperature sensors to create smart inventory trackers or automated environmental monitoring Specifications: Component:Metal+ABS Size:Mixed Package Includes: 1 Set Microcontroller Board note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.