Grade 13 Unit 11 Lesson Internet of things Video 03

🌐 Advanced Level ICT (Grade 13) – Unit 11: Internet of Things (IoT) | Lesson Video 3 Welcome to Lesson 3 of Unit 11 – Internet of Things (IoT) in the G.C.E. Advanced Level ICT syllabus. In this lesson, we continue our practical study of IoT systems and Arduino programming by exploring Arduino board pins, sensor-based automation systems, smart lighting circuits, security systems, and real-world IoT-related applications. This lesson is especially useful for students preparing for A/L ICT theory, structured questions, and practical examinations. 📚 Topics Covered in This Video: ✅ Understanding Arduino Uno Board Pins • 5V and GND Pins • 3.3V Output Pin • VIN (Voltage Input) • RESET and RESET2 Pins • AREF (Analog Reference) • IOREF • RX (Receive) • TX (Transmit) • N/C (Not Connected) ✅ Smart Lighting System using Arduino • LDR (Light Dependent Resistor) • PIR Motion Sensor • LED Output Device • Resistors and Circuit Connections • Automatic Light Activation in Dark Environments • Motion Detection and Automation Logic ✅ Understanding Sensor Connections • Analog Pin A0 • Digital Pin D4 • Digital Pin D6 • Power Connections • Sensor Input Processing ✅ Arduino Programming for Smart Automation • Reading Analog Inputs • Reading Digital Inputs • Using Serial Monitor • Conditional Statements • Automated Decision Making ✅ Auto Light Arduino Program • Line-by-Line Code Explanation • Light Threshold Values • Motion Detection Logic • LED Control using Sensors ✅ Internet of Things vs Embedded Systems • What makes a system a true IoT application? • Network Communication Requirements • Wi-Fi and Bluetooth Modules • ESP8266 • ESP32 • HC-05 Bluetooth Module • Remote Monitoring and Control ✅ Smart Security Systems • Door Alarm Project • Reed Switch Operation • Magnetic Sensor Technology • Buzzer as an Output Device • Detecting Door Open and Close Events ✅ Practical IoT Applications • Smart Home Automation • Smart Lighting Systems • Motion Detection Systems • Security Alarm Systems • Sensor-Based Monitoring Systems ✅ Arduino Components Used in Real Projects • Arduino Uno Board • PIR Sensors • LDR Sensors • Reed Switches • Buzzers • LEDs • Resistors • Breadboards 🎯 By the end of this lesson, students will be able to: ✔ Understand Arduino Uno board pins and their functions ✔ Build sensor-based automation systems ✔ Explain the difference between IoT systems and embedded systems ✔ Understand smart home applications ✔ Analyze Arduino circuits used in examinations ✔ Develop a strong foundation for practical Arduino programming 📖 Subject: Information and Communication Technology (ICT) 🎓 Grade: 13 📘 Unit: 11 – Internet of Things (IoT) 🇱🇰 Sri Lanka G.C.E. Advanced Level This lesson is highly important for students preparing for: ✅ A/L ICT Theory Papers ✅ Structured Essay Questions ✅ Practical Arduino Projects ✅ IoT and Embedded System Concepts #ALICT #ICT #InternetOfThings #IoT #Arduino #ArduinoUno #ArduinoProgramming #EmbeddedSystems #SmartHome #HomeAutomation #PIRSensor #LDRSensor #ReedSwitch #Buzzer #ESP8266 #ESP32 #SmartLighting #DoorAlarm #Microcontroller #Grade13ICT #AdvancedLevelICT #SriLankaEducation #Technology #ArduinoProjects #IoTProjects