DIGITAL LOCK CIRCUIT


Posted on Feb 7, 2014

This circuit depends on the entry of a correct sequence code. An incorrect number that is not part of the code causes the circuit to reset. When the correct code is entered, Q2 operates relay K1 for a short time, depending on C3.


DIGITAL LOCK CIRCUIT
Click here to download the full size of the above Circuit.




Leave Comment

characters left:

Related Circuits

  • New Circuits

    .

     


    Popular Circuits

    PIC16F627A Touchpad circuit
    lan tester circuit
    400 Watt 80 Meter RF Amplifier
    VOX Circuit
    Variable High Voltage Power Supply
    Digital Remote Thermometer
    BAR GRAPH VOLTMETER
    A typical electronic volume control circuit



    Top