HOME AUTOMATION SYSTEM

Automatic door open feature:
The door will open if anyone comes near the door within 40 cm and the door will be open for 2 seconds. Then it will check again if anyone is still within 40cm, if yes, then the door will still be open for 2 more seconds and if no, then the door will automatically be closed.Ultrasonic Sensor is used for measuring distance and Servo motor is used for opening the door .
Automatic room lighting:
If the room detects any movement, the light (LED) will automatically be light. If there is no movement in the room, then the light will remain off.PIR(Passive Infra-Red sensor is used for detecting movement and LED for Light.
Temperature based fan control:
It will detect room temperature and if it is greater than 20 (degree Celsius) then a fan will be turned on otherwise, the fan will remain stopped.Here we used a motor to represent the fan .Temperature sensor LM35 is used for detecting temperature and a motor for running a fan.