Intercom Circuits

  

Circuits


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Nowadays a lot of intercom units are equipped with video cameras so that you can see as well as hear who is at the door. Unfortunately, the camera lens is perfectly placed to serve as a sort of sup...

An intercom can be a useful tool or a fun toy. In this project, I am going to show you how to make a simple intercom using a pair of old corded tele... ... a simple intercom using a pair of old cor...

This is simple intercom using transistors so easy to build and cheaper than ICs. They perfect for a small home, and to use basic or demonstration projects, from easy to find materials. It helped we...

LM386 Two way electronic intercom schematic circuit based on audio amplifier IC .

Intercommunication (Intercom). 2.10.2012. This is a great intercom circuit that can be used in many ways. It uses 22V to operate and maybe it will work at a lower voltage (you can try it). For inpu...

This is a 2 way transistor intercom circuit using 2 speakers and a changeover switch in which one is used for listening, other is for speaking and vice-versa.