Bluetooth Control Home Automation using Mobile or PC system is to control the electric appliances by using mobile’s or PC’s Bluetooth. There is a software which has to be installed on your mobile or Computer. Now using this software you can control all the electric appliances of your home according to your choice. There is a micro controller based circuit attached with the electric board which has the connection of all the appliances to be controlled. A Bluetooth module is connected to this circuit which receives the signal from mobile or PC and forwarded it to the controller for further process. Controller checks and match this commands from its memory and then gives output to the ULN2803 which control the relay to be ON or OFF according to command. The relay works as automatic switch for the appliance connected with it. Thus, this system gives user to free from extra remote or manually control the home’s appliances. This system can be applied in industry or in offices.