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If I wanted to buy 3mm led uV at 3volt could this work, would I have to change resisters. I am only just getting in to electronics after buying a uno v3 and want to make this box with UV. I am only asking because yours for this tutorial are 2volts. If you could help me to know that LEDs will be fine to buy for this project :-) http://m.ebay.com/itm/100-x-LED-3mm-UV-Purple-Diffused-Ultra-Bright-Round-Top-LEDs-Light-Lamp-RC-Car-/161364818280?nav=SEARCH
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