Abstract

This is a unique Hotel Power Management System Using LDR project designed to save electrical bills especially in hotel environment.

It normally happens that costumers come to the hotel and while going out from the hotel they often leave the lights and fan ON. Normally the consumers surrender the key to the reception staff while leaving. If the reception staff failed to check the room more amount of power will be wasted.

This Hotel Power Management System project is designed to monitor the movement of the persons in the room with LDR sensor, this sensor will send signal to the controller and the controller checks the light intensity if the light intensity is less in the room, the controller will respond and will turn on the power.

Used Technology:

8051 Microcontroller,
KEIL Compiler,
LCD,
Power Supply,
LDR.

Block Diagram