Telephone Headgear

Posted on Feb 6, 2014

Telephone Headgear. Acompact, inexpensive and low component count telecom head- set can be constructed using two readily available transistors and a few other electronic.

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

Leave Comment

characters left:

Related Circuits

  • New Circuits



    Popular Circuits

    tone control circuit using tda1524a
    diac controlled led flasher
    Active Filter Design with OpAmps
    Thermal imaging sensor from 16x16 pixel array
    water alarm schematic
    Heart rate detection circuit diagrams