This is a little bit complex project . It has included a lots on external libraries and need a little bit more attention . You can download complete proteus simulation file with hex file from this link doorlock security .Default password is 12345
This project is mainly suitable in major college project of BE or Btec student because of complexity it is not possible to show you whole bunch of line of code here , rathere you can download complete project file from this link Password-Based-Security-Door-Lock-using-Atmega16-microcontrollers-master where you will find two main file SecurityMc1 and SecurityMc2. These two file are separate code for two microcontroller as shown in circuit diagram above and inside SecurityMc1 file you will find Application1.c file which is main program and other header files and c file must be included .And similarly in SecurityMc2 file there is another application2.c file which is main program for second microcontroller and other header and c file must be included .
If you have not idea how to included these header file to main program then please check our previous tutorials and projects there you will find best way to include and simulate .
Short description of project code
This is a kind of major project so in this project concept of LCD , serial communication , serial periferial interface and other things are included so these all things cannot be explained here . Please go to learn AVR microcontroller series you will find each and every concept there . If you read these chapters and still find any difficulty then do not hesitate to post comment below . Have a nice project journey Cheers !
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