In this way a simple door lock system can be implemented with the use of a microcontroller.
Password based door locking system using atmega16.
The program code for the opening or blocking of the system is found in case 16 key 16 of the run key function.
Atmega based garage door opening.
Password based keypad door lock using atmega16 simulation output of changing the password.
April 27th 2018 pic microcontroller based electronic lock format is 2345 which can be enter to unlock the door the code cam be change by entering the master atmega16 password based door locksystem slideshare april 15th 2018 password based door locksystem atmega16 microcontroller electronic code lock device amitoj kaur digital code lock.
This is a password based security door lock system based on 2 atmega16 microcontrollers one for user interfacing using lcd and keypad and the other for storing data in the external 24c256 eeprom.
This is a password based security door lock system based on 2 atmega16 microcontrollers one for user interfacing using lcd and keypad and the other for storing data in the external 24c256 eeprom controlling the dc motor and the buzzer used for the alarm.
The simply compile it then finally upload it to the atmega328 microcontroller.
Here at89c52 microcontroller is used and it is an 8 bit controller.
This controller requires a supply voltage of 5v dc.
The code for password based door lock security system using arduino keypad is given below.
If the person attempting to open the door enters a wrong password then the microcontroller switches the alarm for further course of action.
You can simply copy paste the code using arduino ide.
Electronic code lock system circuit design.
This is an advanced door opening system compared to the above system.