A CD for Christmas
tasteful lighting effects
Materials
Gerber file
CAM/CAD data for the PCB referred to in this article is available as a Gerber file. Elektor GREEN and GOLD members can exclusively download these files for free as part of their membership. Gerber files allow a PCB to be produced on an appropriate device available locally, or through an online PCB manufacturing service.
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Component list
R1,R3,R5,R6 = 10k?
R2,R4 = 100k?
R7 = 2k?2
R8 = LDR03 (Eurodis, Bolton)
R9,R10 = 220k?
Capacitors:
C1,C3 = 10µF 16V radial
C2,C4 = 47µF 16V radial
C5 = 100nF
C6 = 100µF 16V radial
Semiconductors:
T1-T4 = BC327
IC1 = 4093
Miscellaneous:
K1-K5 = 2-way PCB terminal block, lead pitch 5mm
La1-La4 = miniature bulb, 12V/100mA
Surplus CD
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