ETest buzzer and SCR


Posted on Feb 5, 2014

After soldering in the components highlighted in the circuit diagram, it is time for a quick check. I used 3 volts from a couple of AA cells for this..


ETest buzzer and SCR
Click here to download the full size of the above Circuit.




Leave Comment

characters left:

Related Circuits

  • New Circuits

    .

     


    Popular Circuits

    10 Watt Audio Amplifier
    Fireflies based on tiny AVR
    CAR RADIO WITHOUT ANTENNA
    avr usb slideshow presenter.
    water level indicator
    TV Relative Signal Strength Meter PCB
    The Nic Nac Tic Tac Crystal Radio Set
    Dimmer With A MOSFET
    Echo Depth Sounding Sonar for Boats



    Top