Now a days, a problem of security is very much important everywhere in the world. So, in large firms or companies, to make protect of entering of unauthorized person or to secure their important section, they generally use this type of security.
vThis project, AN ACCESS CONTROL SYSTEM provides a facility of security. This type of security lock is generally attached at the main entrance door of the firms. By using this type of security, only authorized fellow can enter.
It is quite easy in installation and use. Through this, one can allocate more number of passwords to many fellows. It is easy to use as the fellow don’t need to carry any type of id card or chip etc.
Circuit Diagram:
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