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LED Garland Controller

All the colours of the rainbow

LED Garland Controller

These days you can buy various types of LED garlands at a reasonable price. With these you can illuminate various objects indoors or outdoors with interesting lighting effects. When you use a garland with RGB LEDs you can even create a range of colours or continuously cycle through the colour spectrum.

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Gerber file

CAM/CAD data for the PCB referred to in this article is available as a Gerber file. Elektor 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. Elektor recommends its business partner Eurocircuits as the company of choice for its own prototypes and volume production in selected cases.

R1 = 10kOhm
R2,R3,R4 = 430Ohm
C1,C3 = 100nF
C2 = 10µF 16V radial
T1,T2,T3 = BD139 (or TIP 122, see text for mounting)
IC1 = ATtiny2313-20PU, programmed
IC2 = 78L05Z
K1 = 2-way-PCB terminal block, pitch 5mm
K2 = 4-pin pinheader, pitch 2.5mm
K3 = 6-pin ()2x3) pinheader, pitch 2.5mm
PCB # 120217-1
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