If you’ve ever needed a compact way to power a small electronic circuit directly from mains, without using a bulky transformer, you’ve probably come across something called a transformerless power supply. These supplies are simple, cheap, and very compact. Instead of stepping down mains voltage with a transformer, they use a series capacitor to limit current, followed by … Read more
Power supplies are at the heart of every electronics project. Whether you are working with microcontrollers, op-amps, or audio amplifiers, stable and reliable voltage is essential. The circuit shown here provides two regulated outputs: 12V DC and 5V DC. It uses a mix of linear regulators, filtering capacitors, and transistors to handle higher current demands. In this guide, … Read more
Are you looking to create a reliable and adjustable power supply for your electronics projects? A 3V to 33V 10A regulated power supply is an excellent solution for powering a wide range of devices, from small circuits to high-current applications. In this comprehensive guide, we’ll walk you through the process of building your own regulated … Read more
Are you looking for a reliable power source for your electronics projects? Building a 13.8V 20Amp regulated power supply is a fantastic DIY project that provides a stable voltage for various applications. In this comprehensive guide, we’ll walk you through constructing this high-current power supply using an LM7812 regulator, TIP2955 transistor, and other essential components. … Read more
If you’re an electronics enthusiast or a hobbyist looking to power your circuits with both positive and negative voltages, a power supply splitter using an op-amp is a fantastic solution. This circuit can convert a single positive voltage source into a dual-rail power supply, providing both +12V and -12V outputs. In this article, we’ll dive … Read more