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It is used to make only the people who has a password pass the door and does not for those who do not have a password ,the password is written by the keypad and is displayed on the lcd the ARM MC take this password and transmit it to the AVR MC through the SPI protocol , the AVR authenticates that the password is already saved in the EEPROM whic…
Proyecto Máquina de Estado con Memoria EEPROM y Multiplexación implementando Transistores 2N3904, Displays 7 Segmentos, Pulsadores, Leds, Potenciómetro, Arduino, etc.
Established the system to measure the temperature of the environment and detect smoke levels, enabling the timely activation of water sprinklers and alarms in response to a potential fire hazard.