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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Using Triacs for Controlling Inductive Loads
Here we try to investigate a few enhanced triac based phase controller circuits which can be recommended for controlling or operating inductive loads like transformers and AC motors much safely […]
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 […]
IC LM338 Application Circuits
In this post we will try to analyze a few interesting IC LM338 based power supply circuits and related application circuits which can used by all hobbyists and professional for […]
How to Make a Cheap LED Name Plate with Illuminated Back Light
The post details a simple method for making an inexpensive LED name plate with illuminated back light, which can be made by incorporating only 4 LEDs and yet acquire a […]
4 Simple VU Meter Circuits Explained
In this post we learn how to build 4 interesting VU meter circuits, using LEDs and using a moving coil meter. What is a VU Meter VU meter or a […]