1. Smart Home Automation System: Control lighting, security, and appliances via mobile app.
2. Wireless Power Transmission: Transfer electrical energy wirelessly to charge devices.
3. IoT-Based Energy Monitoring: Track and optimize energy consumption with IoT sensors.
4. Automated Irrigation System: Use sensors to control water flow for agricultural fields.
5. Solar-Powered Battery Charger: Design a charger that utilizes solar energy for batteries.
6. Bluetooth-Enabled Security System: Build a security system with Bluetooth-based alerts.
7. Energy-Efficient Smart Lighting: Develop lights that adjust based on occupancy and daylight.