Full Duplex Audio Line Circuit is like a strong talking line. Two people can talk at a same time on one wire like a phone call. Not like a walkie talkie where only one person talk and other wait. But with full duplex both people talk anytime like a actual talking. Circuit Working: Parts List: […]
Audio Circuits
Squelch Circuit
Squelch circuits are like the radio peace assistant! This small smart circuit stops radio sound when no strong signal connects. So no more hearing of bad noises but only when signal is strong one can hear good sound or video. Best thing about squelch is its very easy and works with many radio types. It […]
Multi-Tone Electronic Siren Circuit
In this article for Multi-Tone Electronic Siren Circuit make it more fun with one siren circuit that makes many sounds. This small thing work like alarm sound toy which is good as warning. Not just one boring sound it makes many loud noise one after one or same time! It works well to get people […]
Audio Compressor Circuit
Think like music have one volume knob. Range that is dynamic? It is how far volume go from very soft to very loud. Audio Compressor Circuit does this job it move knob by itself. When sound is too loud it make little lower and when it is too quiet it push it little louder. So […]
Simple Audio Frequency Signal Generator Circuit
Have anyone ever thought that how electronic makes sound? Audio frequency signal generator it like small sound maker. It make electric signal what ear can hear from low boom (20Hz) to very high squeaky (20kHz). This Simple Audio Frequency Signal Generator Circuit very helpful for many thing: Circuit Working: Parts List: Component Quantity Resistors 1k […]
Touch Controlled Musical Door Bell Circuit
No more boring ding dong bell! This Touch Controlled Musical Door Bell Circuit show how to make doorbell which play small music tune. Just press a button and it rings a melody sound which we can choose which one. This circuit is fun idea to make door more special and different. Circuit Working: Parts List: […]