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How to Build an Insanely Bright LED Flashlight!
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can you do a video on building a dog solar charge controller
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Thanks for the comment, Of course, you could buy those ones but they are only claimed to be 9000 lumens and most of them are nowhere close .
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I would love to see some pictures
This is cool, what is the reason for using IR light
hi, if you do want to build the light I can help to answer any questions you may have. Also, the schematic was meant just to give a visual representation of the basic wiring layout, refer the the written instructions for more detailed instructions.
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I apologise for the issues in the schematic, you are correct that the LED should be flipped. Also this schematic is very basic and just ment to show the wording layout.
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I have just done some runtime test to answer your question.running the light like I normally do, adjusted so the led is drawing 2 amps, it ran for 26 minutes on the 2200mAh battery.running at full power (3 amps) it ran for 17 minutes on the same battery.
For all those who have had issues with the links, they are now fixedthanks for the feedback
the heatsink turned out to be much too big for the led (better than to small) and it keeps it cool enough that it is only slightly warm to the touch, I plan to do some thermal tests to get an acctual temperature.the fan dissipating the heat off of the heatsink vents through the vents I made in the top and bottom of the case.
great example. so for only 3 times the price you are getting over 5 times the light output, and the learning experience, and the sentimental value of building it yourself.
I plan to experiment with smaller passively cooled heatsinks for version 2, I will keep you posted.
the boost converter listed in the materials step is a constant current supply, I'm sorry for the confusion I change some things to make that more clear
I normaly adjust the boost converter so that the light draws about 2 amps. and with the 2100mAh battery it will run for around 30 minutes adjusted like this, that is why I plan to make an adapter to use 2 batteries in parallel, however, I could just buy a bigger battery but I actually find using multiple smaller batteries is more convenient because they are faster to charge if i am using the light for only a short time
I really like your idea for using the waterproof version as a fish attraction device I will take this idea into account when prototyping version 2. also I would be very interested in exploring a marketing/business plan, however, I think I need to developed a more refined design that is more practical for average consumers, I plan to work on prototypes over the next year and later create a more finished product.
How to build an insanely bright flashlight (LED)!View Instructable »