il driver corrente linkato..
il led già lo avevo comprato 
in pratica dovevo comprare un led con 6 pin e non 4!
tipo questo?
Product Number
DC-LE14112
Product Name
3W RGB LED, Full Color-1W Per Color 30-50lm, 1pcs
Lens Color
Water Clear
Emitted Color
Red, Green, Blue
Intensity Typ.
Red(30lm), Green(55lm), Blue(9lm)
Viewing Angle
160°
Forward Voltage
2.2~2.8V(Red), 3.0~3.8V(Green), 3.0~3.8V(Blue)
Forward Current
350mA
Net Weight
10g / 0.4oz