Recent content by HarryN

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    MR 16 LED fixed lighting challenges

    I should check back more often. It turns out that the web sites are all fancy enough that they detect what state you are in and the fines are so high that no one will even display the products of interest. I have family in other states and you would think that they would be happy to buy stuff...
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    Destructive Incan Tests - Graphs (Updated 9-20-09)

    Thank you, there is an amazing amount of info there. Much appreciated.
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    Streamlight SL-20x LED conversion

    It is funny how this light keeps coming up in conversations. .....
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    Any Sell sights...not ebay? And another related question.

    I don't know about etsy - that is pretty specific fo just home made items AFAIK. I have seen plenty of seller complaints about etsy from people that seemed pretty legit. Similar to ebay - when my older son sold stuff on there - they buyers would scam him - wait until the end of the grace...
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    High CRI and high lumens… have the cake and eat it too?

    I wonder if a hand held rechargeable search light might fit the bill ?
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    Any Sell sights...not ebay? And another related question.

    Finding ways to sell items and service is definitely becoming harder. I used to post an adv on the local craiglist when I needed to promote some van electrical related services that I do and it was easy to pick up a few jobs. Not anymore. It seems like you almost have to post things on FB...
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    MR 16 LED fixed lighting challenges

    I have run into an interesting challenge with LED light bulbs. My daughter has some very nice Soraa LED bulbs in her apartment and would like to CCT match some that are 2 different ones. As it turns out, CA added some extra rules on what bulbs are allowed to be sold and has banned these higher...
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    Solar Powered Landscape Spotlights

    Apparently there are some AA powered solar garden lights / camping lights at Walmart. I have not picked them up yet but it was suggested by someone on a camping van forum that I frequent. (they didn't give a model ) I have some pretty decent low current rate 2850 mah ansman NiMH batteries...
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    Master thread for disasters and generators.

    The loads for mobile groomers are actually pretty high. Yes, there is warm water for the dog, but there is also the power to blow it dry that can be pushing 1.5 kW. Another 1.5 - 2 kW to run air conditioning and misc as it can get quite hot inside of those. It isn't unusual to be 100 - 115 F...
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    3w in a 5mm?

    Some LEDs are used as the "flash" of cell phones and similar. Here is an example from Lumileds. They were early in that market - no idea about now. https://lumileds.com/products/flash-leds/luxeon-flash/
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    Convert this multimode light to a single mode?

    What is the battery configuration? If the battery pack voltage is in the 3 - 5 volt range, then the easiest way to do it would be to convert it to a resistored light instead of a driver based light.
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    Ways to Refinish Flashlights.

    Your light looks pretty good actually. I remember some photos of lights that I posted a long time ago and they looked fine in person, but on a big computer screen you could seen some very small dust specs and a minor blemish that I could barely see in person. I am just a goof around / hobby...
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    Converting cheap multicolor LED tape to addressable LEDs?

    Your experience can spawn a very in depth / complex discussion that I won't go into here, but you are exactly right. The inability to take some pictures with cell phone and a number of digital cameras (that were easy to take with film ) led me on a long and expensive journey. My wife can now...
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    Streamlight SL-20x LED conversion

    This is an LED conversion that used to be offered. https://www.batteryjunction.com/tle-110-s.html One of the challenges is that LED conversions only work in the aluminum body lights and they tried to do it in the plastic version. ___________ I fell in love with that light as well (own a few...
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    You know you haven't modded in a long time when...

    I am really getting the itch to build up a light. Probably won't be a flashlight though. More of an portable area light - just for fun. I already have so many parts - but still might buy some of the newer LEDs mounted on stars.
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