Parts:R1___________470K1/4WResistorR2_____________3K31/4WResistorR3___________100K1/2WTrimmerCermetC1_____________1nF63VPolyesterCapacitorC2____________47µF25VElectrolyticCapacitorD1__________1N414875V150mADiodeD2_____________5mm.RedLEDIC1___________