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USB rechargeable torch
Li-ion powered torch USB rechargeable
Gadget
Creative Commons Attribution Share Alike
Commercial use is allowed, you must attribute the creator, you may remix this work and the remixed work should be made available under this license.
Description
I had these parts (led, lens, IC) from some time and I decided to put them to good use. I designed a small PCB for the charger and used a 2W resistor to limit the current through led to about 100mA. Glued everything together.
Materials and methods
- Cree XP-G LED
- Ledil lens
- MAX 1555 single Li-Ion charging IC
- mini USB connector
- 18650 Li-Ion cell
- rocker switch
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