Automatic Lid Trash Can DIY Electronics Project with Ultrasonic Sensing, Classroom Maker Use and Coding Practice Display for Learning Multicolor

Features: Automatic Lid Response: The ultrasonic module detects nearby objects and starts lid movement, giving learners an easy way to watch input and output during each classroom build. Programming Workflow: This project pairs physical assembly with beginner friendly programming tasks, helping learners understand how wiring, timing, and control choices shape the finished result. Clear Acrylic Structure: Transparent panels and the exposed servo linkage let users watch each part work together, which supports explanation, troubleshooting, and repeat demonstrations. Solderless Starter Build: Plug in parts reduce setup difficulty for first time makers, so guided lessons can stay centered on wiring order, module response, and controller behavior. Classroom Ready Format: Includes a complete trash can assembly set for guided displays, engineering lessons, and maker activities in classrooms or hobby spaces. Specifications: Main Controller: Compatible with development board (Type-C interface) Expansion Board: -M78 Solderless sensors Expansion Board Detection : HC-SR04 -Head Ultrasonic Distance Measurement Module Actuator: SG90 9g Servo Motor/Steering Gear Shell materials: 3mm Acrylic Sheet Power supply solutions: 4 x 7-cell battery pack (6V power supply) - Please bring your own. Package Includes: 1 set Trash Bin Assembly Set note: This product does not come with four 7-volt batteries. Users are advised to prepare themselves.