AE1169-Equipped Enhanced Code Lock Circuit

Published:2011/6/30 4:18:00 Author:Joyce | Keyword: AE1169-Equipped, Enhanced, Code Lock | From:SeekIC

When the button of an AE1168-equipped enhanced code lock is pressed, AE1168 will locate the corresponding button through keyboard scan. And it will control alarm relay K1, relay K2 after being analysed by internal logic according to the state of S1, S2, S3.The circuit uses 12-bit keyboard with the * key signifying confirmation ; the # key signifying clear.Tf oneinputs the wrong password out of carelessness,as long as the * key has not been pressed, one can clickthe button # to clear the wrong code. By switching S1, S2, S3 , we can confirm collectively or by oneself.



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