How To
#include<Servo.h> Servo myServo; constint irPin = 7; int irState = HIGH; voidsetup(){ pinMode(irPin, INPUT); myServo.attach(9); myServo.write(0); // Door closed Serial.begin(9600); } voidloop(){ irState = digitalRead(irPin); if(irState == LOW){ // Object detected myServo.write(90); // Door open Serial.println(“Door Open”); delay(3000); // Keep door open for 3 seconds myServo.write(0); // Door … Read more
1. Introduction Good morning, respected judges, teachers, and my dear friends. Today, I am presenting my science project, “Rain Cloth Collector Working Model.” During the rainy season, clothes drying outside may become wet when rain starts suddenly. This can be inconvenient, especially when nobody is at home to collect them. My project demonstrates a smart … Read more
1. Introduction Good morning, respected judges, teachers, and my dear friends. Today, I am going to explain my science project, “Human Respiratory System Working Model.” The respiratory system helps us breathe. It supplies oxygen to our body and removes carbon dioxide. The main organs of this system include the nose, trachea, bronchi, and lungs. My … Read more
1. Introduction Good morning, respected judges, teachers, and my dear friends. Today, I am going to present my science project, “Solar Tracking System Using Arduino and LDR.” Solar energy is a clean and renewable source of energy. Solar panels convert sunlight into electrical energy. However, the position of the Sun changes throughout the day, and … Read more
1. Introduction Good morning, respected judges, teachers, and my dear friends. Today, I am going to present my science project, “Medicine Reminder Box Working Model.” Medicines are important for treating many illnesses. However, some people, especially elderly people and those who take multiple medicines, may forget to take their medicines at the correct time. Forgetting … Read more