Control de acceso RFID Init

Flowchart nodes

• Start

• LCD: welcome Access control

• is the character "143"?

• LCD: Present TAG Master

• Read RFID

• New TAG RFID ?

• Save TAG in posision 7,8,9 and 10 from eeprom memory

• LCD: Enter master key

• key pressed?

• key pressed is "#" ?

• key length >= 4 and key length < 9?

• LCD: 4<master key<9 try again

• Save MASTER KEY in posision 3,4,5, and 6 from eeprom memory

• Save special character (143) in position 0 of the eeprom

• Read MASTER TAG of the eeprom

• Read MASTER KEY of the eeprom

• Read TAG number stored in position 2 of the EEPROM

• LCD: Welcome Access system

• main loop

• Read position of eeprom 0