12V LED Backpack Power Supply Circuit

In this article we learn to make a simple battery backpack unit for powering a 36watt LED lamp, which includes appropriately wired integrated sockets for enabling the attachment of external devices such as a regulated battery charger, ammeter, voltmeter etc. The idea was requested by Mr.  Kevin Bates

Wireless Cellphone Charger Circuit

In this post we will try to design a circuit for facilitating a cordless cellphone charging without employing a conventional charger.

Wireless Power Transfer Circuit Explored

In this post we discuss the popular concept of wireless power transfer or the transfer of electricity through air without using wires.

CDI Tester Circuit

The circuit presented here is a tester circuit for testing CDIs for motorcycles and three-wheelers.

Rotating Beacon LED Simulator Circuit

The post explains a simple LED flashing beacon circuit which exactly simulates a rotating police beacon light by generating alternating pulses of suddenly rising and fading illumination effect on the connected LED. The idea was requested by Mr. Ankit Agarwal
Readers are advised to proceed with the construction of the presented circuits only after understanding the concepts from the core. Not adhering to this can lead to failures and frustrations.
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