Want to change how bright the LED light is?; then we can use adjustable LED dimmer circuit for that. Furthermore, this small and Simple Adjustable LED Dimmer Circuit helps to control LED brightness so one get just right light for any time. Also, by turning some parts like resistor, transistor and one special knob (called […]
Mini Projects
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 […]
Simple Flashing Beacon Light Circuit
This guide shows how to build a Simple Flashing Beacon Light Circuit which does requires few parts like: Timer tells the light when to turn ON and OFF quickly, so it looks like blinking; also, people use this circuit for decoration, warning light or just for fun. Circuit Working: Parts List: Components Quantity Resistors 10k […]
Simple Regulated Adjustable Power Supply Circuit using IC 723
To begin with, this Simple Regulated Adjustable Power Supply Circuit using IC 723 show how to make one simple power supply circuit, which can change voltage up and down. We can use one chip call LM723 with some people say IC 723, this chip is good and it take power from plug and makes it […]
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 […]
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 […]




