AUTOMATIC DOOR SYSTEM USING MICROCONTROLLER AT89S5 1

Rohmat Muchtar Dwi A

Abstract


Automatic Door Systems us-
ing AT89S51 microcontroller which is a safety device using
Assembly Language (reads51) as the software of the micro-
controller is to control access door. The workings of this
tool is to enter the password correctly, the door opens, and
if we are wrong to enter the password you will be given
the opportunity to repeat 3 times to enter the password.
When the 3 times we remain either enter a password, this
tool will refuse to open the door. The advantages of the
device in is the result of the output, because in addition to
using the LCD also uses voice ic. The sound produced is
processed according to the program which is input on the
microcontroller AT89S51

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