Enhanced AE1169 made lock circuit diagram


Posted on Mar 28, 2007

As shown in Figure is a circuit diagram of an enhanced lock the AE1169. AE1168 enhanced when the lock button is pressed, AE1168 through the keyboard scan to determine the corre


Enhanced AE1169 made lock circuit diagram
Click here to download the full size of the above Circuit.

sponding button, and in accordance with S1, S2, S3 state, the internal logic analysis treated, and the alarm relay K1, * K2 corresponding relay control. Circuit 12-bit quasi-keyboard, which represents the * key to confirm; key is the clear key, if they enter the wrong password, as long as the failure to confirm the * key, you can press this key to clear the input error. By switching S1, S2, S3 can easily achieve more than the collective *, multiplayer and single * alone * function.




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

Chloroplast solar engines
10 LEDs VU meter
Interactive Voice Response System
Two buttons Safety relay
Twilight switch circuit
Three-step level indicator
LED Bike Light Circuit Project
555 1 Hz pulse generator
laser controller circuit
Four lighting sound and light control switch circuits
Practical three control delay self-extinguishing switch circuit schematics



Top