High Power LED Driver Circuits: 12 Steps (with Pictures) Overview / Parts. There are several common methods out there for powering LED's. Why all the Power LED Performance Data - Handy Reference Chart. Below are some basic parameters of the Direct Power! Why not just connect your battery straight to the LED? It seems so simple! What's the The Humble Resistor. This is by far the most widely used method to power LED's. Just connect a See all full list on instructables 230v LED Driver Circuit Diagram, Working and Applications Aug 16, 2017230v LED Driver Circuit Principle. The basic principle behind the 230V LED Driver circuit is transformer less power supply. The main component is the X-rated AC capacitor, which can reduce the supply current to a suitable amount. These capacitors are connected line to line and are designed for high voltage AC circuits.