Monday, July 26, 2010
Access Control System
An Access Control System would contain two parts- the client side and the server side. The client side would contain a keypad, LCD display, door opening unit, monostable multivibrator, microcontroller, DTMF encoder and a DTMF decoder. The client side would contain a DTMF encoder, DTMF decoder and a microcontroller that is connected to the computer
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