9 in 1 expansion board with integrated modules including temperature and humidity sensors, a buzzer, LED, push button, brightness sensor, and other functional components. This allinone unit enables a wide range of experiments and projects with a single board. Beginnerfriendly design No wiring required. The board is designed for novices; simply download the code and start experimenting immediately. Simplifies the learning process by providing readytouse hardware modules in one compact package. Comprehensive module support Features LED, push button, brightness sensor, and additional functional modules to support a variety of applications. The included sensors and actuators enable quick prototyping and testing of ideas without sourcing individual components. Compatibility and integration Fully compatible with the Arduino Uno R3 interface, allowing seamless connection to existing projects and shields. Designed to connect easily to standard R3based systems without compatibility issues. Key benefits Allinone solution reduces setup time and simplifies experimentation. Supports environmental sensing, user interaction, and control tasks in a single board. Clear path from learning to practical application with premade code options. Use scenarios Environmental monitoring and alerting: monitor temperature and humidity, and use the buzzer or LED to indicate when readings exceed preset thresholds. Educational experiments: students or hobbyists can run readymade code to observe sensor behavior and interactions without wiring complexity. Small automation prototyping: use the brightness sensor and push button to prototype simple lighting or control applications, validating ideas quickly before scaling. This description preserves the original product's function set and compatibility while presenting clear, readerfriendly benefits, practical use cases, and a professional, trustworthy tone.