Simple Security System Using Logic Gates

Subject to this condition the alarm will ring if the vault door is disturbed in any way or if the door to the bank is opened unless a special switch is first operated by the security guard s key.

Simple security system using logic gates.

4 bit password security system using xor and nor digital logic design 2. 1 shows the circuit of the digital security system while fig. Again the purpose of the experiment is not to make a real security system but merely to introduce you to the principle of xor gate code comparison. 2 shows the proposed wiring diagram for the loops around the premises.

1 4 bit password security system using nor xor. Dld project submissing to chowdhury akram hossain aiub. At the time when power supply is attached to the circuit pin 5 voltage is at zero as loop is unbroken. This is a complete list of digital logic design projects for those who want to learn about digital logic circuit and want to design digital logic circuit for their project.

Functioning of these circuits is very easy when we will receive. A burglar alarm system for a bank is to be operative only if a master switch at the police station has been turned on. You can create a three input and gate by using two two input and gates for example. Logic gates are the basic building blocks of any digital system.

Based on this logic gates are named as and gate or gate not gate etc. I have complied this list from different resources. Digital logic design projects list with logic gates for beginners. It is an electronic circuit having one or more than one input and only one output.

Here the inputs for the various sensors placed on the home s. 2 are connected as shown in fig. Output is based on the voltage on pin 5. A two input and gate is an electronic logic gate that has two inputs and one output.

Before using this security system make sure that loops shown in fig. Also read the interesting post pull pin security alarm system. Security system using xor nor 1. It is the nature of an xor gate to output a high 1 signal if the input signals are not the same logic state.

The relationship between the input and the output is based on a certain logic. Ra r 5 447 views. The idea is of this system is that the 4 switches key code switches acts as holding the correct password for unlocking the lock. The digital security system circuit.

And gates can be used in a home alarm system.