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Take Me To The Gadgetory!
Digital Room to Room Intercom

Posted July 15, 2012 by Chris

“There are many ways to build an intercom; an example is batteries in series with 2 telephones, a key switch and an amplifier. I felt this was far too simple. I decided to build an intercom with an MCU which digitalizes a voice and then sends it serially and then regenerates the analog signal.”

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