How to Build a 12V Dual Power Supply Circuit: A Step-by-Step Guide for Beginners
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