Morse code generator circuit – simple code learning
This morse code generator circuit is suitable for learning basis of communication. Unbelievably, short and long tone can be decoded into letters and text.
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October 22, 2018
Mini intercom circuits using OP-Amp IC
These are two simple mini intercom circuit. They use IC-OP-amp as main parts.
July 7, 2017
Simple intercom using tree transistors
This is simple intercom circuit using transistor,so easy to build and cheaper than ICs, perfect for a small home, and to use basic or demonstration projects
November 17, 2013
Diy fiber optic intercom
A simple fiber optic intercom communication systems to home use. Video Door Phone Intercom is going to happen in the future. or Meetings monitor route.
February 17, 2013