In my case r1 is 470kohm 1 4w r3 is 33ohm 1 4w c1 1uf 400v c2 250v 1uf and after c2 is connect two resistor of 120ohm 1 2w on positive side. The mp3302 can drive 27 leds 9 strings of 3 white leds in series from. Led bulbs lights.
