Audio Visual Ringer


Posted on Feb 5, 2014

Audio Visual Ringer. Many a times one needs an extra telephone ringer in an ad-joining room to know if there is an incoming call. For example, if the telephone is installed in.


Audio Visual Ringer
Click here to download the full size of the above Circuit.




Leave Comment

characters left:

Related Circuits

  • New Circuits

    .

     


    Popular Circuits

    25 Watt MosFet Amplifier
    Proximity detector
    500W low cost 12V to 220V inverter
    Voltage Controlled Oscillator using NE555
    Bipolar stepper motor driver circuit diagram



    Top