The popular 3 terminal fixed regulators available today are in the form of IC 7805, IC 7809, IC 7812, IC 7815, and IC 7824, which correspond to fixed voltage outputs […]
Simple Voltage Regulator Circuits using Transistor and Zener Diode
Power supply circuits which are designed to produce a stabilized, constant voltage and current output are called regulated power supply circuits. These circuits can be in the form of of […]
Easy Two Transistor Projects for School Students
A variety of small school projects can be built using just a couple of transistors. This ebook includes a collection of practical and fascinating circuit ideas using just a few […]
Simple Circuits using IC 7400 NAND Gates
In this article we will discuss many assorted circuit ideas built using NAND gates from ICs such as IC 7400, IC 7413, IC 4011, and IC 4093 etc. IC 7400, […]
Red LED LightStim Circuit for Removing Facial Wrinkles
An LED based LightStim is a device used for rejuvenating facial skin by stimulating cell growth. Normally, RED LED is used in these devices since red light have been found […]
IC 555 Oscillator, Alarm and Siren Circuits
In this post we will learn how to build and optimize basic IC 555 oscillator circuits, whose waveforms can be further enhanced for generating complex sound effects such as warble […]