SMART GARAGE DOOR

Abstract

The project that we are designing will help us to provide an easy but secure access to garage door. The installation cost of the door is low and the changes that are required to be done are also very less. To build such a door opener we need an Electric motor, sliding door with rack and pinion arrangement, wiring system, Power source, supporting clamps, Arduino Uno, IR sensors and a remote to open and close the gate We are designing this automatic door in order to understand the basic functions of the automatic door and also detailed working of the concepts behind this. This project will also help us to acquire some basic knowledge about electrical circuits, sensors and welding processes.

Existing System

Proposed System

This project designing automatic garage door by using sensors and to ensure proper working we are providing an authenticate electrical system. We are also providing a special feature in our system in which the garage door automatically opens when the car will come near to it. In this feature, the door will open only for a particular car. We are using an IR transmitter to transmit the signal and an IR receiver to receive the signal. The signal carries out a binary code which is unique. We will attach this transmitter to the car. After receiving signal, authenticity of the code will be processed to check. To open and close the gate, there is also a remote which works on the same principle of IR sensors, we have to press a series of fix buttons in order to open the gate and a signal button to close it. Each button of remote have its own binary codes, when we press a series of buttons the microcontroller will check whether the series of codes are defined in our Arduino program or not and will open and close the gate accordingly. We will also mount IR obstacle avoidance sensor to the garage door to prevent closing of it while car is in the middle of the door. Now to open the gate we have a 12V DC motor which provides a normal torque of 2.5N-m, when microcontroller transmits the signal to open the door. Once the door is fully open the motor will stop and the door will remain at open position until another signal will be send. In the final (opening and closing) positions we have placed a sensor which will break the circuit as the door will reach to the end. (in opening) and start (in closing). Thus motor stops running and our door will remain stop at the end position.

Architecture

BLOCK DIAGRAM