Simple solar charger are small devices which allow you to charge a battery quickly and cheaply, through solar energy. A simple solar charger must have 3 basic features built-in: The […]
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Designing Simple Power Supply Circuits
The post details how to design and build a simple power supply circuit right from the basic design to the reasonably sophisticated power supply having extended features. Power Supply is […]
5 Easy 1 Watt LED Driver Circuits
In this post we are going to learn about a few easy to build, compact 1 watt LED bulb circuits. The first circuit is SMPS based, the second design uses […]
Simple Hobby Circuit Projects
A few of the interesting and useful hobby electronic circuit diagrams already published in this blog have been selected and compiled here for quick reference and understanding. What is a […]
Variable Voltage, Current Power Supply Circuit Using Transistor 2N3055
In this post we learn how to make a simple variable power supply circuit using transistor 2N3055 and some other passive components. It includes variable voltage and variable current feature, […]
6 Simple Capacitance Meter Circuits Explained – Using IC 555 and IC 74121
In this post we will talk about 6 easy yet accurate capacitance meter circuits using the ubiquitous IC 555 and many other easily available ICs. How Capacitors Work Capacitors are […]