lock_2 six electronic password lock used 89s52 (ca

Title: lock_2

Category:
SCM
Tags:
[ASM] [源码]
File Size:
1.84kb
Update:
2008-10-13
Downloads:
0 Times
Uploaded by:
xcyhust

Description: six electronic password lock used 89s52 (can be 51, 52), 4* 4 keyboard, six digital control, 74ls04 (EC), 573 (8D latches). Note : P2-- Data (573 )---( access digital access control) P1 Choice------ (74ls04 ) P0-- 4* 4 keyboard set up a one-time password (into programming) circuit is simple, This program is for beginners learning will be able to expand password module (CO2 plus 24). Sounds series software wave

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