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 Post subject: Almost free source for White LED's
PostPosted: Nov Sun 24, 2019 7:20 pm 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 1263
Location: Wayside, NJ Monmouth
Most of us have visited our Local Harbor Freight Store to get a Free LED Puck Light. The older model had 27 white LED's. The newer model has two Comb LED bar's. So after looking around the house I found four older models that were not being used. So I dismantled them. Besides the LED's, I saved the battery contacts, the round magnet, swivel hook, and all the little screws. Now I know I have a box of burnt out #47 lamps some ware. When I find the box, it will be time to make up replacement lamps for a lot of my Boat Anchor Radio's.


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 Post subject: Re: Almost free source for White LED's
PostPosted: Dec Sat 21, 2019 4:57 pm 
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Joined: Jul Sun 21, 2019 3:32 pm
Posts: 193
Location: Upstate NY
Or.... you could spend good money on a set of Chinese made christmas LED lights, and have the string fail by the second year and have probably 200 LEDS for projects... after my second repair, enough is enough... :mrgreen:


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 Post subject: Re: Almost free source for White LED's
PostPosted: Dec Sat 21, 2019 7:35 pm 
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Joined: Sep Tue 30, 2014 6:08 am
Posts: 5143
Location: Norfolk, VA
Mbohuntr wrote:
Or.... you could spend good money on a set of Chinese made christmas LED lights, and have the string fail by the second year and have probably 200 LEDS for projects... after my second repair, enough is enough... :mrgreen:


Great idea. Target already had their lights 30% off yesterday, so I'd imagine even bigger price cuts to come.

Most of my puck lights came as promotional items - buy our tools, software, office equipment, etc. None have failed....yet. Two mounted in a closet, one permanently mounted under the hood of my Toyota, and another attached to my band saw where it lights up about 3/4ths of the table. The puck light on the band saw outlasted the software company that gave them out - they made data storage management software that the "cloud" obsoleted. Bain Capital snatched them up, mortgaged their properties, and quickly bankrupted them. :shock:

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Brian
"Capacitor Cosmetologist since 1979"
USN Retired 1984-2006 (Avionics/Cal)


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 Post subject: Re: Almost free source for White LED's
PostPosted: Dec Sat 21, 2019 8:10 pm 
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Joined: Sep Wed 10, 2014 7:13 pm
Posts: 747
Location: Urbana, Illinois
Discarded large-screen TV sets found on the curb often contain LED backlight strips. These can be very useful if you have a project which requires strips of white LEDs.

-EB

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I’m learning to be a leading-edge designer of trailing-edge technology.


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 Post subject: Re: Almost free source for White LED's
PostPosted: Jan Sat 11, 2020 2:47 pm 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 837
Location: dayton oh usa
the leds in the free hf lights and most christmas strings are very poor quality.
fade fast and very blue.
i found the ones in the hf lights were below 50% after 2 charges on my li-ion conversions.
i replaced them with good high cri ones and no further issues.
and they render colors correctly.
cheap nasty leds are going to look awful in a vintage radio.
if you want to led some #47 get yuji warm whites.


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