- on Home & Garden
- Published in issue 7/2012 on page 38
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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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 = 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