LED Camping Light
Description
This is a simple LED camping light. It has a bulit-in lithium battery (Two 18650 cells in parallel) with a battery protection/charger module. The light source is a single 3W LED which needs some sort of cooling to prevent overheating. For cooling I used a salvaged north bridge heat sink from an old PC motherboard. I also used a 1 Ohm resistor in series with the LED as a regulator. To increase the brightness of the lamp there is plastic mirror in the cap piece, but you can use any reflective material such as foil tape or something similar. Parts needed: - LED: https://www.ebay.com/itm/1W-3W-High-Power-cool-warm-white-3000k-4000k-10000k-30000k-LED-20mm-star-pcb/321471559197 - Button: https://www.ebay.com/itm/10Pcs-1A-30V-Dc-250V-Black-Latching-On-Off-Mini-Torch-Push-Button-Switch-JJ/3925983326006 - Protection/charger board: https://www.ebay.com/itm/174625531708?hash=item28a87e273c:g:TdoAAOSwEz1gHQhl
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