Monday, February 17, 2014

Simple Intercom From a Pair of Old Corded Phones

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 telephones. This is an easy electronics project that is great for beginners and fun to do with children.

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The phones already have all the circuitry that is needed for processing a voice call. All you need to add is a 9 volt battery and a resistor. Try it out and have fun.

Here's the full build on MAKE: Projects-- and on Instructables:

1 comment:

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