The Smart Parking System uses an Arduino, ultrasonic sensors, and LCD display to detect vehicle presence and show available parking slots in real time. It improves parking efficiency, reduces manual effort, and can be upgraded with IoT features for smart city applications.

The Touchless Water Dispenser utilizes an Arduino, an IR sensor, and a relay to dispense water automatically when a hand is detected. It ensures hygiene and saves water by providing a contact-free operation. Ideal for homes, offices, hospitals, and public places.

Smart Temperature Detection System using Arduino measures real-time temperature with an LM35 sensor and displays it on a 16x2 LCD. A buzzer alerts when temperature exceeds a set limit. Ideal for home, industrial, and IoT applications with scope for cloud-based upgrades.