Circuit Design and Analysis of Electronic Code Lock

Design an electronic password lock, enter the password in the locked state, the password is 4 digits, use the data switch K1K10 to represent the numbers 1, 2, ..., 9, 0 respectively, the input password is displayed by the digital tube, and the last input The password is displayed on the rightmost digital tube, that is, each time you enter a single digit, the password is shifted to the left by one digit on the digital tube. The entered number can be deleted, and the last entered number is deleted. Each time one bit is deleted, the password is shifted to the right by one digit in the display of the digital tube, and "0" is added to the left empty bit. The state of one output level represents the open and close state of the lock. To ensure that the password lock owner can open the password lock, set a universal password and use it when the owner forgets the password.

This article refers to the address: http://

1.jpg

Design tips:

Password input deletion control module

Hosting module

Comparison module

Scan display module

2.jpg

VIPA Controls has developed and designed two new panel series: cloudPanel and smartPanel, to take account of current and future developments in the visualization market. The Franconian automation specialist has consciously intensified its focus on future technologies such as Cloud, WebVisu and Co. The new panels are expected to be available from stock at the beginning of 2018.



VIPA PLC


VIPA PLC

VIPA PLC,VIPA System 300V,Interface Module,Digital Input Modules

Xiamen The Anaswers Trade Co,.LTD , https://www.answersplc.com

This entry was posted in on