How to Build a 5V Power Supply from AC Mains Using a Transformer
Building a stable 5V DC power supply from AC mains using step down transformer is very easy and low cost. Buying any 5V SMPS board…
5V DC Power Supply Circuit Using 7805 Voltage Regulator
Most of the electronic circuits need regulated 5V DC supply to work fine. Buying a 5V DC power supplies very costly. So in this article,…