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« on: July 15, 2008, 11:59:04 PM »
Hi:
I am new here, I just want to share the LED array that I did today. Each column of 4 LEDs are in series with a 220 Ohm resistor, the columns are in parallel between each other. I use a 9V power supply and a small switch.

It has only 23 Infrared LEDs, and I use one blue LED as a pilot to know when it is working. There is plenty of space to add more LEDs in the future.
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« Reply #1 on: July 16, 2008, 01:50:22 AM »
Nice DIY

You can even make a PDF for printouts for that support Wink

If it is not working properly (as mentioned in the other thread) try blocking 1 half of the array to get a cleanser reflection
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« Reply #2 on: July 19, 2008, 06:31:24 PM »
Hi!

I added the PDF with the instructions for the support at the download area.

I will do your advice and let you know. Smiley
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