5v Cool White LED, 82 OHM Resistor Combo for PRO Toolhead - IT-Works 3D
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LED Resistor Calculator
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50 x LED Resistor for 5v, 6v, 9v or 12v Supply (LEDS) - 1st CLASS POST | eBay
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Stak - Resistors for use with LEDs - 3.3V, 5V, 6V, 9V, 12V - 100 pack
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