Instructables

DIY IR (Infrared) Illuminator - Night Viewing With Your Camera

Step 3: Installing The Outer Ring of 16 LEDs

Picture of Installing The Outer Ring of 16 LEDs
Now you should install and solder in the LEDs at D1, D2, D4, D5, D7, D9, D10, D11, D13, D15, D16, D18, D20, D21, D23 and D23. When installing the LEDs, try to keep them flat against the board.
 
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