Telephone Lamp Circuit


Posted on Feb 5, 2014

Here is a White LED Lamp that turns on when the telephone rings. The cool white light helps to locate the phone in darkness and also helps to note the mess..


Telephone Lamp Circuit
Click here to download the full size of the above Circuit.




Leave Comment

characters left:

Related Circuits

  • New Circuits

    .

     


    Popular Circuits

    1 Second Time Base From Crystal Oscillator
    Telephone in use indicator
    The K9AY receiving loop antenna
    Management of Locomotive Tractive Energy Resources
    Press light switch double circuit 4



    Top