C1 1000µF/35V C2 10µF/10V C3 0.47µF/10V D1-D4 1N5818 D5,D6 1N4148 D7,D8 1N5818 IC1 7805 IC2 NE555 R1,R2 2M S1 Monostabiles Relais, 5V dc, 2-poliger Wechsler z.B. Omron G2R-2 monostable relay, 5V dc, double-pole two-way contact, f.i. Omron G2R-2