science working model

“Good morning, respected judges. Today, I am proud to present our project: the Smart Women Safety and Community Alert System. Ensuring public safety for women remains one of the most critical challenges of our time. While smartphones offer safety apps, in sudden, high-stress emergencies, unlocking a phone, opening an app, or finding a signal is … Read more

The Smart Dustbin Working Model Using Arduino is an innovative and practical science exhibition project that demonstrates how simple electronics and automation can be used to improve cleanliness and hygiene. The model shown uses an Arduino Uno, HC-SR04 ultrasonic sensor, SG90 servo motor, breadboard, jumper wires, and a dustbin made from a transparent plastic container … Read more

The Automatic Fire Extinguisher Project Without Arduino is a simple and practical science exhibition model that demonstrates how a fire can be detected automatically and how water can be sprayed immediately to control it. The project uses basic electronic components such as a flame sensor, relay module, DC water pump, water container, transparent pipe, and … Read more

The Automatic Water Dispenser Without Using Arduino is a simple, useful, and low-cost science exhibition project. It automatically detects a person’s hand and dispenses water without requiring the user to touch a switch, tap, or button. The model shown uses an IR sensor, relay module, DC water pump, battery, water container, and transparent pipe. This … Read more