2 Way Intercom Circuit Diagram. Let s straight away move into its working details explained in the following section. In this intercom schematic the 8 ohm speakers is used as microphone and listening speaker.
The 10k potentiometer controls volume and the total gain can be set with de 5k r. Simple two way intercom circuit diagram 99ft4093 2 mobile radio user manual how to make a walkie talkie wiring and grounding motorola pin data wildtalk ham installation using fm long range arduino based 27mhz 49 mhz transistor am receiver 2of rca speaker wire crystal circuits chapter 3 telecommunications handbook amplifier diagrams add this. The main concept behind the circuit is the use of lm386 audio amplifier which receives the audio signal from microphone amplifies it and plays it on the speaker.
Intercom preamp a very convenient way of making an intercom is to use a loudspeaker as a microphone.
It consisted of a. Let s straight away move into its working details explained in the following section. The switch will be in the house. The wire used is a 0 3 to 0 5mm super enameled copper.
