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Step 4Colors
For our Homeland Security Advisory Facade we needed to rearrange the multi-color LED christmas lights into individual red, yellow, blue and green LED strands. We had to do some red and yellow color mixing to get orange.
IMPORTANT:
DO NOT remove all the LEDs at once, organize them into little color piles and then re-insert them into their respective single color strings. You'll plug them in. They won't light. You'll have to painfully debug every string one bulb at a time to find which LED isn't fully set into its socket. This may seem obvious but it was a harsh lesson for the lab. In restrospect, I would suggest that if you need a strand of red LEDs, you should just buy that single color. If you are buying out all the christmas lights at rite-aid like us, and your forced to use multi-color strands, just buy extra and slowly bubble sort through each string removing only one LED at a time and replacing it with the right color from the surplus strings. Mark troublesome LEDs with a paint pen so you can look at the likely culprit if your string suddenly goes dark.
IMPORTANT:
DO NOT remove all the LEDs at once, organize them into little color piles and then re-insert them into their respective single color strings. You'll plug them in. They won't light. You'll have to painfully debug every string one bulb at a time to find which LED isn't fully set into its socket. This may seem obvious but it was a harsh lesson for the lab. In restrospect, I would suggest that if you need a strand of red LEDs, you should just buy that single color. If you are buying out all the christmas lights at rite-aid like us, and your forced to use multi-color strands, just buy extra and slowly bubble sort through each string removing only one LED at a time and replacing it with the right color from the surplus strings. Mark troublesome LEDs with a paint pen so you can look at the likely culprit if your string suddenly goes dark.
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Here are some more information about L.E.D sigms and other types of illumnated signs.
http://www.bpconcepts.com.au/content_common/pg-illuminated-signs.seo
Cheers!