Embedded controller based wireless power monitoring and controlling

The development of the new technologies in the area of electronics has brought tremendous changes in the day to day life of human being. With advancement of technology, automated systems are being preferred over manual system. PC based control systems are highly reliable, user friendly and accurate systems. A microcontroller based controllers are being designed to control a number of equipment and monitoring systems are used to control and monitor the devices. This paper discusses, embedded system for wireless power monitoring and controlling which is developed using PIC microcontroller with the ZigBee communication technology. As a demonstration automatic controllable and Power monitoring system to make the lecture hall lighting system easily controllable and monitoring. Here it is used PIC (16F877A) microcontroller to reduce circuit complexity and it requires less power. Power saving can be achieved by using sensors like Pyro-electric Infrared Sensor for power monitoring and controlling circuit to the lecture hall lighting system. The proposed method for detection of human is done by providing the PIR sensor to indicate the entering or exit of the persons. PIC Microcontroller continuously monitors the Pyro-Electric infrared receiver. When the persons pass through the PIR receiver then the IR rays falling on the receiver are obstructed, this obstruction is sensed by the microcontroller also PIR sensor will check the movement of the object with the help of radiations emitted by the object. Then microcontroller will check the input coming from the sensor and if moving object is present then automatically it switches ON the lights. And if there is no moving object then all the lights will be switched off automatically.