AT89C51 as the main control chip, LCD1602 display design code for digital electronic combination lock, physical
Now the following functions:
Parts: (1) hardware design of MCU peripheral circuit, LCD display circuit, keyboard circuit, etc.,
(2) the software part: the lock, lock, enter the password again, setting a new password, save the new password function; Unlock success
When the light is lit, button "drop" sound,
(3) additional features: IIC bus AT24C02 save password, realize the system after the password is not lost when power supply drop,
Training content is unlikely to help bosses,

CodePudding user response:

Are you still need to find someone to help you do the ready-made routines? This topic don't know how many years did the class set and you, you is to search online has a pile of data

CodePudding user response:

Need a routine,,,, but I didn't find the way

CodePudding user response:

This seems to contest the title of the ah, training?