Solar Demonstration Device Overview A readytouse solar energy demonstrator for teaching and experimenting with solar to electrical energy conversion. Simple to operate and durable, it shows direct, visible results by driving a buzzer, a lightemitting diode, and a small motor using only solar power. Key benefits Clear demonstration of energy conversion: Shows how light is converted into measurable electrical output and practical work. Simple setup and operation: Plug wires into the correct jacks, aim the panel at a light source, and flip the switch to see immediate results. Multiple visible outputs: Produces sound, visible light, and motor rotation to make concepts easy to grasp. Sturdy materials for repeated use: Constructed from plastic and metal for reliable handling and a long service life. Portable and lightweight: At 286 g it is easy to move between classrooms, workshops, and demonstration tables. Main functions Drive the buzzer: Connect the solar cell output to the buzzer input matching polarity, place the panel in sunlight or under a lamp, turn on the panel, and hear the buzzer play music. Light the LED: Connect the solar cell output to the LED input matching polarity, aim the panel at a light source, turn on the panel, and the LED will emit light. Run the small motor: Connect the solar cell output to the motor input matching polarity, aim the panel at a light source, turn on the panel, and the motor shaft and fan blade will rotate. Measure voltage: Connect a voltmeter across the solar cell output to observe voltage under sunlight or a lamp of at least 60 W. Covering the panel by hand shows how output changes with light intensity. How to use 1. Insert connecting wires into the solar cell output jack and the selected device input jack, observing polarity. 2. Aim the solar panel at direct sunlight or a suitable lamp and switch the panel on. 3. Observe the buzzer, LED, or motor operating. For voltage readings, attach a voltmeter to the cell terminals and watch the reading change when light is blocked or increased. Practical applications Classroom demonstrations and lab exercises for physics and renewable energy lessons. Science fair models and handson projects that explain solar power principles. Hobbyist and maker experiments for learning basic wiring, polarity, and electrical measurements. Specifications Name: Solar Demonstration Device Condition: Color: As shown in the picture Quantity: 1 Material: Plastic and metal Weight: 286 g Notes Ensure correct polarity when connecting devices. performance in direct sunlight or under a lamp with at least 60 W output.