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:: Home » Intercom systems

Intercom systems

Simple transistor intercom circuit

Last Updated on: July 14, 2022 by Apichet Garaipoom
transistors intercom circuit

See simple intercom circuit using transistors and a few parts. So easy build and cheaper than ICs. For a small home and learning. Read more

Categories Amplifiers Tags Intercom systems, Transistor Amps 10 Comments

Morse code generator circuit – simple code learning

Last Updated on: July 15, 2022 by Apichet Garaipoom
Morse code generator circuit

This morse code generator circuit is suitable for learning basis of communication. Unbelievably, short and long tone can be decoded into letters and text. Read more

Categories 555 Timer Tags Tone Generator, Intercom systems Leave a comment

3 Intercom circuit using LM386 – OP-Amp ICs

Last Updated on: June 20, 2022 by ElecCircuit.com
Intercom circuit using LM386

See Intercom circuit using LM386 and other IC. louder transistor version. And easy and cheap. With Condenser MIC and Speaker, longer cable. Read more

Categories Amplifiers Tags Intercom systems, Telephone circuits Leave a comment

Learn basic DIY fiber optic intercom circuit with PCB

Last Updated on: April 17, 2022 by Apichet Garaipoom
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. Read more

Categories Amplifiers Tags Intercom systems 3 Comments

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