red ｃoｎｔroller， the ｅlｅctroｎｉｃ ｌocｋ cｏntrol sysｔeｍ with aｎｔｉ-tｈ
efｔ aｌarｍ fｕnction gｒａdually ｒeplace ｔhｅ traｄiｔionａl mechａnｉcａl
controｌ systｅms wｉtｈ coｄe， overcomｅ pasｓwｏrd lｅss， poｏｒ safety
perｆorｍance shortcomiｎgs of mechanicaｌ lｏｃk contrｏl。
In tｒaｄitional ｉdentity， ｗe tｅnd ｔo uｓe ｐaｓsword ｅncrypｔion met
ｈod， buｔ thｉs methoｄ only "aｎtｉ—anti-vｉｌlaｉn is not ａ ｇentｌｅｍa
ｎ。＂ Ｉn ｔｈe eyes ｏf cleｖer hackｅｒｓ， pａｓswoｒd cｏnsists ｏf ｓeｖ
eraｌ chaｒaｃｔerｓ fragilｅ too ｖｕlｎerａblｅ. Noｗ， ｔhe devｅlｏｐmenｔ of
science and ｔechnology so ｔhａt we have a ｎｅw ｏptｉon - bｉｏmｅtｒｉcs。 The
bｉometｒic tｅchnｏlogy used iｎ noteｂook， door ｌockｓ， etｃ., theｙ ca
ｎ filｅ fｏr prｏtectioｎ ｏf prｏperty， and can be idenｔifiabｌe.ｂiomeｔric
technoloｇy in ｆinｇerprｉnt pｒｉmary origｉn research, ｉｔ ｉs also the mｏｓt
ｗidelｙ used bｉometric tｅchnoloｇy。
Ｔｈe system desｉgnｏｆ fｉｎgeｒprint ｒecognition electｒon passwｏrd ｌ
ock based ｏn Ｓｉnglｅ—chｉp microｐrｏcessoｒ is ｄeｖeｌｏped in the thｅ
ｓiｓ． Thｅ system ＳＴC8９C5２ MＣＵ aｓ tｈｅ coｒe module, tｈrｏｕgh ｔ
he serｉａｌ commｕnicatｉon cｏｎtｒｏl ZＦM—６0 fingerpriｎt mｏｄule ｆor ｔ
akｉng ｆingerpｒints and stoｒe ｆinｇeｒprint dataand liqｕｉd crｙsｔaｌ dｉsｐ
ｌay bｙ HS12８64—15C ratiｏ than ｏn ｔhe pｒocｅsseｓ anｄ reｓｕlts,
suppｏrｔｅd by siｍulａtｉon of DC relaｙs aｎd LEDs uｎlｏcｋ actｉon。The sy
ｓｔem is small, cｏｓt-effｅctiｖe， aｎd ｆaｓt aｎd ｓuｉtablｅ for fａｍilｉ
es ａnｄ unitｓ.
Ｋｅy Woｒds：Ｓingle－chiｐ micｒoprocessoｒ, passｗｏｒd， Fingeｒｐrint rｅ
cｏｇnitｉｏn
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