Teknikio Blue Star LEDboard v1.0

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Starry starry LEDs! These blue star-shaped sewable boards with gold tips have a blue LED in the middle that lights up when you connect 3V across the + and - pads. Use with a CR2032 battery and the Teknikio battery holder or another 3V power source. Can be used with a higher voltage with a resistor, forward voltage is 30 mA and forward pulse voltage is 150 mA. Available in packs of 4 or 25. Show more