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The Cell Phone SMPS (Switched Mode Power Supply) is a compact, efficient, and reliable power conversion circuit designed to provide a stable 5V to 5.5V DC output for charging mobile devices. This circuit uses minimal components yet delivers high efficiency and low heat generation. Understanding the Circuit Design This SMPS circuit works on the principle … Read more
The Mini Tesla Coil is a fascinating high-voltage project for electronics enthusiasts. Using simple components, this circuit can generate an impressive high-frequency Mini Tesla coil. This guide is suitable for Beginners. Below, we break down its working, components, and setup for optimal performance. Understanding the Circuit This circuit works by using a 2N6292 transistor to … Read more
Hey, if you’ve ever needed to top up a small Li-ion battery from a USB port without all the bells and whistles of a fancy charger, this circuit might be just what you’re looking for. It’s super basic, uses a BC558 PNP transistor as the main player, and keeps the component count low. Think of … Read more
If you’ve got a 12V 7Ah lead-acid battery sitting around, maybe from a UPS system or a small solar setup, and you need a reliable way to charge it without overdoing things, this circuit is worth a look. It’s built around the LM317, a versatile voltage regulator that’s been a staple in DIY electronics for … Read more
Hey there! If you’re looking to build a solid audio amplifier that can drive an 8-ohm speaker with some real power, this circuit using the 2N3055 transistor is a great option. It’s a classic design that’s been around for years, and it’s perfect for learning about transistor amplification stages. The whole thing runs on a … Read more
Hey there! If you want to put together a straightforward power amplifier that uses MOSFETs, this circuit is a solid choice. It runs on a dual power supply and works well for amplifying audio signals with good power output. The design is simple, and it teaches you a lot about push-pull stages. Let’s break it … Read more
Hey there! If you’ve ever wanted to convert 12V DC from a battery into 220V AC for powering household devices, an inverter circuit is your answer. Today, I’m excited to walk you through building one using the SG3525 IC. It’s a fun project that’s perfect if you’re into electronics and want to try something practical. … Read more
Are you fascinated by the world of radio and eager to build your device? An AM radio receiver is a classic electronics project that lets you tune into amplitude modulation broadcasts using simple components. In this guide, we’ll walk you through constructing a basic AM radio receiver using an OC13 transistor, perfect for hobbyists and … Read more
If you’re an electronics hobbyist or a professional looking to create a compact power supply, building a 20V Switch Mode Power Supply (SMPS) is a rewarding project. SMPS designs are efficient and widely used in modern devices due to their small size and energy-saving features. In this guide, we’ll walk you through constructing a simple … Read more
If you’re an electronics enthusiast or a professional looking to enhance circuit safety, an electronic fuse is a must-have project. Unlike traditional fuses that burn out and need replacement, an electronic fuse uses a semiconductor device to protect circuits from overcurrent, offering a resettable solution. In this guide, we’ll walk you through building an electronic … Read more