In this article we learn to make a simple 12v LED backpack power supply circuit for powering a 36watt LED lamp, which includes appropriately wired integrated sockets for enabling the […]
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Designing a Customized Battery Charger Circuit
I have designed and published a variety of battery charger circuits in this website, however the readers often get confused while selecting the right battery charger circuit for their individual […]
Adjustable 3V, 5V, 6V, 9V,12V,15V Dual Power Supply Circuit
The purpose of this paper is to detail a variable dual lab power supply circuit which has an adjustable range from 3V, 5V, 6V, 9V, 12V, and 15V or even […]
How to Make Dog Barking Preventer Circuit using High Frequency Deterance
The discussed circuit is designed to discourage dogs from barking in the selected zone by the generation of a synchronized ultrasonic sound waves in response to a few initial barking […]
LED Strip Light Dimmer Controller Circuit
The post explains a simple IC 555 based PWM controller circuit which may be used for controlling the intensity of a specified LED bank or an 12V LED strip light. […]
PWM Solar Battery Charger Circuit
This simple, enhanced, 5V zero drop PWM solar battery charger circuit can be used in conjunction with any solar panel for charging cellphones or cell phone batteries in multiple numbers […]