This 4 watt LED driver is a device that will illuminate a 4 watt LED safely through a constant current circuit using the IC LM338. The IC LM338 as we […]
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Simple LED Music Level Indicator Circuit
An LED music level indicator is a circuit that will respond to the connected music levels and illuminate a chain of LEDs sequentially in a push-pull switching manner, in accordance […]
Self Regulating Battery Charger Circuit
The post explains how a neat little self regulating automatic battery charger circuit can be made using just two inexpensive transistors. This circuit will automatically regulate the charging supply to […]
Lead Acid Battery Charger Circuits
The lead acid battery charger circuits explained in this article can be used for charging all types of lead acid batteries at a specified rate. This article explains a few […]
How to Make Powerful Car Headlights Using LEDs
In this post we see how to build an enhanced and efficient car headlight lamp using Pirhana LEDs. A car LED headlight is a powerful lamp built using high efficiency […]
4 Simple Transformerless Power Supply Circuits Explained
In this post we discuss 4 easy to build, compact simple transformerless power supply circuits. All the circuits presented here are built using capacitive reactance theory for stepping down the […]