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
The Renewable Energy Working Model shown in the image is an attractive and educational science exhibition project that demonstrates how solar energy and wind energy can be used to generate electricity. The model represents a small sustainable community containing a solar-powered house, solar panels, a wind turbine, gardens, pathways, and solar-powered street lights. The main … Read more
This River Flood Working Model is a simple and attractive science exhibition project that demonstrates how heavy rainfall in mountainous areas can increase the flow of water in rivers and cause flooding in nearby villages, roads, and low-lying areas. The model is especially suitable for explaining the flood situation in Nepal, where mountainous terrain, heavy … Read more