TRU COMPONENTS LED electronic ballast PCB 1.9 V DC 20 mA

With this module, there is now also for the operation of white or blue LEDs no longer any reason to use two or more battery cells, or resorting to the classic light bulb. Because with only one battery or battery cell (alkaline battery or NiCd-/NiMH-Akku) is now open for this type of LEDs entirely new applications - especially in the mobile space. Ideal for miniaturized, portable applications such as LED flashlights, LCD backlighting or LED displays.

Price: 2.49 from Conrad Electronic