Abstract

The ultimate purpose of this paper is to develop a remote controlled security door using a microcontroller. It is a means of enforcing security features of the entire building structure, equipped with appropriate management control. In this paper we have designed system that allows unlocking a secure door remotely. The main aim of this paper is to help users improve the door security of sensitive locations, from car parks, shopping centres or corporate head offices to airports, banks or nuclear power plants. This paper takes a cursory look at other security methods of controlling access, their disadvantages and then goes on to the design of the hardware as well as software programming to lock or unlock the door. Both software and hardware for the system were developed in this paper by using microcontrollers, relays, sensors, induction motors and some mechanical system to demonstrate the response of the output and input devices

Highlights

  • Due to the need to increase the security of life and properties in our environment, security systems are used as selective systems to decide who have access to a given location based on a personal distinctive trait of the user

  • Most of these devices have lapses which give an unauthorized person access to where they are barred i.e. the simple jam lock and pad lock can be forced open or the keys duplicated by unauthorized persons and under certain conditions, i.e. physical changes of the individual concerned, the biometric devices sometimes fail in recognizing the authentic individual concerned [2]

  • It is economically wise to use Remote controlled security door using relay since most remote controlled door uses card reader, this project will be of great importance because two relays were used for the supply and two transistors that powered the relays instead of costly circuit

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Summary

Introduction

Due to the need to increase the security of life and properties in our environment, security systems are used as selective systems to decide who have access to a given location based on a personal distinctive trait of the user. The major characteristic of security devices is to prevent an intruder from gaining access to a location Most of these devices have lapses which give an unauthorized person access to where they are barred i.e. the simple jam lock and pad lock can be forced open or the keys duplicated by unauthorized persons and under certain conditions, i.e. physical changes of the individual concerned, the biometric devices sometimes fail in recognizing the authentic individual concerned [2]. Biometric systems may violate users privacy while some users consider them to be personally invasive and may imply loss of anonymity [2] Devices such as motion detectors, light detectors among others are susceptible to be triggered by false signals such as noise impulses, whenever its sensitivity is increased [2]. They are not suitable for most outdoor security protection due to the fact that they don’t posses high discriminative capability during operation and they are fairly expensive

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