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 […]
Touch Controlled Potentiometer Circuit
This Touch Controlled Potentiometer Circuit one just need to tap it and it will start to work. No need to turn knob or move the slider it just touches the sensor and it changes the resistance or voltage. It uses capacitive sensing which means that when one contacts it, the body will act as a […]
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 […]
AC Drill Speed Controller Circuit
Now one can control its own drill. AC Drill Speed Controller Circuit is like cruise control but for drill. It helps one to change motor speed so one can work better for any job. Very good when one is doing soft work like wood or metal but need careful hand. There is no need for […]
Car Antenna Amplifier Circuit
Car Antenna Amplifier Circuit is a small box which helps car radio to catch signal better. Radio signal sometimes are very weak like soft whisper where radio are not heard good. Amplifier make whisper loud so radio can hear clear. It is good for places where radio station is far or music have noise or […]
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 […]