Doorphone Intercom Circuit

on Tuesday, March 5, 2013
For the first time, this circuit is the design of the Canadian / English language and was designed by Mr Laurier Gendron of Burnaby in British Columbia, Canada, and myself. Make sure you visit this web site Laurier, Dandy Little Circuits Useful. This page is also available in French by clicking on the flag.In this doorphone circuit, 8 ohm speaker is used both as a microphone and also an output

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