AC Line Detector Circuit Using BC548 Transistors

AC Line Detector Circuit Using BC548

If you’ve ever needed to check whether an AC mains wire is live without touching it directly, an AC line detector circuit is one of the easiest tools you can build. It’s a handy gadget for electricians, hobbyists, or anyone working with electronics. In this article, we’ll go through a simple but effective circuit that uses BC548 transistors to … Read more

How to Build a Non-Contact AC Tester: A DIY Electronics Guide

non-contact AC tester

Are you looking for a safe and efficient way to detect live AC wires without direct contact? A non-contact AC tester is an essential tool for electricians, hobbyists, and DIY enthusiasts. This simple yet effective device uses a basic circuit to detect alternating current (AC) voltage, making it ideal for troubleshooting electrical systems. In this … Read more