Partlist for "Magic box" Part Value Description C1 100n ceramic cap C2 1u ceramic cap C3 10n ceramic cap C4 100u electrolytic cap 16V C5 30n ceramic cap C6 100u electrolytic cap 16V D1 1N4004 any diode, reverese voltage >30V D3 LED color at your liking IC1 4001 quadruple OR gate IC2 4030 quadruple XOR gate IC3 4046 integrated PLL IC4 4520 two binary 4 bit counters IC5 78L05 voltage regulator 5V Q1 2N2222 any transistor NPN Q2 2N2222 any transistor NPN Q3 2N2222 any transistor NPN R1 100k resistor 1/4 W R2 1.5k R3 10k R4 10k R5 10k R6 1.5k R7 1.5k R8 1.5k R17 100k R18 100k R19 10k R20 10k S1 1pol Um single-pole double-throw switch S2 2pol UM double-pole double-throw switch 2 sockets DIL14 2 sockets DIL16 1 female connector 3.5mm, stereo (the same one as for earphones) 1 female connecotor, 2.1mm; for power supply 1 power supply 12V, 50mA (or more) 1 PCB 55x65mm^2, with photoresist (=1/4 Europ-PCB) 1 female connector, Sub-D 15pol high density 1 male connector, Sub-D 15pol high density 1 Sub-D housing for Sub-D 15pol (identical to 9pol) 1 housing, ca 70x100x30mm^3