1x 1 uf to 1 5 uf 400v polyester film capacitor. 4x 1n4007 diode or any bridge rectifire module like mb6s. 1x 45 volt zener diode like 1n4755a. 3 watt led driver circuit diagram. The basic principle behind the 230v led driver circuit is transformer less power supply. Circuit diagram of leds in parallel. 1xRead More