LEDs lightnings

LEDs lightnings

LEDs are polarized, so the + or - position of the battery is important. When installed correctly, the LED works fine; when installed inversely, the LEDs do not work at all, though this does not degrade the diodes. If the LEDs do not light, try turning the battery around (switching the contacts) or switching 1.5 V elements in the battery pack or, when possible, invert the contacts on the LED itself (as with DuoLed).

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