Are you working on an electronics project and worried about damaging your components due to overloads or short circuits? Adding overload and short circuit protection to your power supply can save your circuits from costly failures. This DIY guide walks you through building a simple yet effective protection circuit that safeguards your devices with a … Read more
Introduction A 12V dual power supply circuit is a must-have for electronics projects requiring both positive (+12V) and negative (-12V) voltages. This setup is ideal for powering operational amplifiers, audio circuits, and other analog systems. In this guide, we’ll show you how to build a reliable 12V dual power supply using the 7812 and 7912 … Read more
Introduction to Variable DC Power Supplies A 2-30V regulated DC power supply is a versatile tool for electronics hobbyists, engineers, and students. It provides a stable, adjustable voltage output for testing circuits, powering devices, or prototyping projects. This article dives into a simple yet effective design using the LM317 regulator and 2N3055 transistor, offering a … Read more
Introduction A variable DC power supply capable of delivering 0-300V is a valuable tool in electronics for testing circuits, powering high-voltage devices, or conducting experiments. This article analyzes a simple high-voltage power supply circuit using an IRF740 MOSFET, focusing on its components, operation, and practical considerations. Circuit Overview The circuit converts an AC input into … Read more