#stolpskyltar

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qamar01 (25)in #led • 6 years ago
Beware the LED Killers - Over-Heating & Over-Voltage
LEDs are the greatest lighting source available, but in ljusskyltar led the RV environment they have two Achilles…
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qamar01 (25)in #stolpskyltar • 6 years ago
LEDs: The Light of the Future
Light Emitting Diodes (LEDs), “semiconductors that emit light when zapped with [positive polarity] electricity,”[1]…
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