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Bulb-2-LED Bicycle Light Conversion

Bulb-2-LED Bicycle Light Conversion

Converting a traditonal bulb light on a bicycle to one that pumps 350 mA through a Cree XP-E LEE to produce 114 lumen.

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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.

Elektor recommends its business partner Eurocircuits as the company of choice for its own prototypes and volume production in selected cases.

Component list
R1 = 0.15Ohm size 1206
R2 = 332kOhm size 0805
R3 = 124kOhm size 0805
C1,C3 = 1µF X5R, size 0805
C2 = 100nF X5R, size 0805
L1 = 10µH, 7.3x5mm, e.g. TT Electronics HM7610100LFJTR
D1 = MBR050
IC1 = LT1618EMS (Linear Technology)
PCB # 100879-1
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