As the Internet of Things (IoT) is an emerging branch in the new generation of the technology worldwide, the government of India, academia, and industry are involved in different aspects of research, implementation and business with IoT. IoT has its branches wide spread in different application domains ranging from civilian to defence sectors including agriculture, space, healthcare, manufacturing, construction, water, and mining, which are presently transitioning their legacy infrastructure to support IoT. Now a days there are many android and server based application. In this system, value of sensor (e.g. temperature sensor, motion sensor, accelerometer sensor etc.) will be shown on GUI or web server or android application through wireless communication and device will be controlled automatically. This seminar focuses on the concepts described above for effective communication and many applications.