Is anyone sick of the fuse blowing? then this Simple DC Electronic Fuse Circuit can be helpful! DC electronic fuse circuit is like small hero for ones electronics, as it protects from big current going crazy. Old fuse? we break it then one may need new one, but this one? it uses smart components always […]
Hobby Circuits
How to Build a Simple LED Circuit
This article teaches us How to Build a Simple LED Circuit; an LED is small special light that shine when to get electricity. Also, this project show how to join some parts together to make LED turn ON. Moreover, people use LED circuits in many things like torch lights, car back lights and even big […]
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. Also, this circuit is fun idea to make door more special and different. Circuit Working: Parts […]
Mobile Phone Detector Circuit using Op-Amp
To begin with, in this Mobile Phone Detector Circuit using Op-Amp we will show how to make one circuit to detect mobile phones nearby. The circuit detects radio signals from an active mobile phone, helping to identify unauthorized phone usage in quiet places like meeting rooms and libraries. However, always check local rules and regulations […]
Spy Phone Bug Transmitter Circuit
This circuit for Spy Phone Bug Transmitter Circuit is like small secret listening thing; It can listen and record phone talk which people do not know. Also, this type of device is called a bug or transmitter because it can spy on peoples conversations, so people should not use it for illegal or unethical purposes. […]
Simple Low Battery Indicator Circuit using Two Transistors
This article for Simple Low Battery Indicator Circuit using Two Transistors tell how to make small circuit for battery device. When battery goes low it uses only few parts like two transistors to turn ON one LED light; so this way we can know when to change battery before device stop working. Circuit Diagram: Parts […]