In order to decorate houses for festivities like Christmas and Halloween, the article explains how to connect small 12 volt flashlight bulbs into colorful string lights. String Light Definition A […]
Transistorized Music Level Indicator Circuits for Amplifiers
A series of LEDs is illuminated successively in a push-pull switching fashion in response to an audio source, indicating the different intensities of the music. This type of indication is known […]
Li-Ion LED Driver Circuits using LT1932
The article describes how to utilize a normal Li-Ion battery with a high-efficiency 1.5 V to 4.2 V LED driver circuit to improve lighting, prolong battery backup, and lengthen battery […]
Simple BJT and JFET Tester Circuits Explained
This post discusses a few straightforward yet reliable BJT transistor tester circuits that may be utilized to determine if a transistor is good or faulty. Simple Good or Not good Transistor Tester […]
TL431 Circuits and Datasheet
The TL431 is a popular adjustable precision shunt regulator integrated circuit that can be used as a voltage reference, precision current sink, or voltage regulator. Below are the electrical characteristics […]
Types of Touch Switch Circuits Explained
In this post we discuss several different types of electronic touch switch circuit, which can be used to toggle an electrical load simply by touching a piece of metal connected […]