Home Internet of Things and its Applications O Level Exam Study Materials for Internet of Things and its Applications Chap-1. Introduction to Internet of Things Chap-2. Things and Connections Chap-3. Sensors, Actuators and Microcontrollers Chap-4. Building IoT applications Chap-5. Security and Future of IoT ecosystem Chap-6. Softskills-Personality Development Chap-7. Use-case for building IoT based application