No more squint eyes at fuse! This small smart circuit got one blinking LED like little spy for the electronics. When all seems good an LED will stay bright. But if fuse go bad maybe too much power or something weird then the LED will start blinking like party light. That mean something is not […]
Simple DC Electronic Fuse Circuit
Is anyone sick of the fuse blowing? This one can be helpful! DC electronic fuse circuit is like small hero for ones electronics. It protects from big current going crazy. Old fuse? You break it then one may need new one, but this one? It uses smart components always checking current. If current is too […]
Simple Music Controlled 220V Light Circuit
Make ones light move with music. This small electric project help to control light using music sound. Just put it in normal plug and smart parts inside make light blink with music beat. Maybe it uses a mic to hear sound booster or to make signal strong and one special switch tells the light what […]
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 circuit very helpful for many thing: Circuit Working: Parts List: Component Quantity Resistors 1k 1/4 watt 2 820Ω 1/4 […]
Simple Adjustable LED Dimmer Circuit
Want to change how bright the LED light is? We can use adjustable LED dimmer circuit for that. This small circuit helps to control LED brightness so one get just right light for any time. By turning some parts like resistor, transistor and one special knob (called potentiometer) this circuit change how much power the […]
How to Build a Simple LED Circuit
This article tell how to make simple circuit for LED light. LED is small special light that shine when to get electricity. This project show how to join some parts together to make LED turn ON. LED circuits used in many things like torch (flashlight), car back lights and even in big signboards! Circuit Working: […]