Four-Digit Keypad-Operated Switch


Posted on Feb 6, 2014

Speaker relay delay controlling circuit for audio amplidier


Four-Digit Keypad-Operated Switch
Click here to download the full size of the above Circuit.




Leave Comment

characters left:

Related Circuits

  • New Circuits

    .

     


    Popular Circuits

    Control of three phase Induction motor AT89S52
    Tone Control Schematic
    Keypad Combination Lock circuit
    Circuit Implementation of a Chaotic Lorenz System
    Schematic Diagram Wiper Speed Control Circuits
    Video Signal Amplifier
    microcontroller circuit schematics
    One light emitting diode display circuit
    Blackout emergency lights 4



    Top