i am Ronald i would like to get details on literature review of automatic gate system .i AM DESIGNING IT AND I WANT IT

I am Emmanuel i would like to get details on literature review and circuit diagram of automatic gate system .i AM DESIGNING IT AND I WANT IT

Automatic Gate Alarm with Light Seminar PPT with PDF Report
Inspiration

Can be born in cases of current busy world, where we can not be able to keep a constant eye in some areas.
In such cases, our project applications arise.
It actually delivers a detection mechanism to indicate the presence of an object or person in a matter of perspective.
This proved to be our main motivation for us to do this project.
Relay and freewheeling diode

The electromagnetic coil pulls a steel plate, which is connected to a switch.
A very useful feature of a broadcast is that it can be used to electrify the various parts of the circuit, which is broadcast an electric powered switch.
Benefit

High sensitive
reduced cost
Simple construction
Easy to install and maintain
Low power consumption
Less space is required
Reliable