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Science exhibitions and school fairs are incredible platforms for students and hobbyists to showcase their creativity, technical understanding, and problem-solving skills. Among the various types of electronic projects, sensor-based projects always stand out. Sensors act as the “eyes and ears” of modern technology—bridging the gap between the physical world and electronic circuits. They make projects … Read more

Introduction The Smart Blind Stick using Arduino UNO and Ultrasonic Sensor is an innovative DIY science project designed to demonstrate how electronics and sensors can assist visually impaired people. The project combines a traditional walking stick with simple electronic components to create a smart obstacle-detection system. The main idea is to detect objects or obstacles … Read more

Introduction The Hemodialysis Working Model – Artificial Kidney is an innovative biology project that demonstrates how dialysis helps remove waste products from the blood when the kidneys are unable to perform their functions properly. This DIY working model is especially useful for school science exhibitions, biology projects, Inspire Award projects, and educational demonstrations. The human … Read more

// Smart Blind Stick System – Arduino Code // Define Pin Numbers based on circuit diagramconst int trigPin = 2;    // Ultrasonic Sensor Trig pin connected to D2const int echoPin = 3;    // Ultrasonic Sensor Echo pin connected to D3const int buzzerPin = 12; // Piezo Buzzer connected to D12 // Variables for … Read more

#include <Servo.h> Servo gateServo; const int trigPin = 9;const int echoPin = 8;const int servoPin = 10; long duration;int distance; // Gate positionsconst int gateClosed = 0;const int gateOpen = 90; // Distance at which car is detectedconst int detectionDistance = 15; void setup() {Serial.begin(9600); pinMode(trigPin, OUTPUT);pinMode(echoPin, INPUT); gateServo.attach(servoPin); // Start with gate closedgateServo.write(gateClosed); delay(1000);} … Read more