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 Circuits
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: […]
Simple Siren Circuit
This Simple Siren Circuit article show how to make circuit sound like real siren! Sound goes up and down fast like police car or ambulance siren. Making this type of circuit is fun but remember siren are also used when emergency happens. Circuit Working: Parts List: Category Description Quantity Resistors 47k 1/4 watt 2 Capacitors […]
Simple FM Radio Receiver Antenna Booster Circuit
Do anyone have a favorite radio station with static sometimes? This Simple FM Radio Receiver Antenna Booster Circuit talks about how to make signal booster for FM antenna on radio. Sometimes radio signal are not strong especially if person live far from radio station. This small circuit makes weak signal stronger so radio can catch […]