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

    Mini 10W Amplifier
    0,4 Watt FM transmitter
    Resistance-ratio detector
    Video Signal Carrier Circuit
    Arduino Master Reader
    Nokia 5800 Ringtone Buzzer Audio IHF Speaker Repair
    output relay delay audio amplifier
    A Noise Meter Circuit::: save ears PCB
    Digital AC Voltmeter
    Low power timer switch
    Plant-Pot Water Level Indicator Circuit



    Top