A Star for Christmas
Materials
Gerber file
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Bill of Materials
R1 = 2k?2
R2 = 10k?
R3 = 33k?
R4 = 390?
R5,R6,R9,R12,R15,R18,R21 = 1k?
R7,R8,R10,R11,R13,R14,R16,R17,R19,R20,R22,R23 = 100?
P1 = 25 k? preset
Capacitors:
C1,C3,C4 = 100nF
C2 = 2µF2 16V radial
Semiconductors:
D1 = 1N4148
D2-D50 = LED, red
T1-T7 = BC547
IC1 = 555
IC2 = 4017
Miscellaneous:
9V battery with clip-on connector

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