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UV LED Exposure Box

Step 11Soldering the LEDs

Soldering the LEDs

Solder all the LEDs in place, note their polarity. The diagram shows which side the flats should be. This step can be tricky, as all the LED bases need to be flat against the board to ensure an even spread of light. Resist the temptation to insert them all and then solder. The best method I found follows in the next few steps.

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