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5mm IR LED Emitters (20-Pack)
5mm IR LED Emitters (20-Pack)

US$ 3.38 US$ 3.43

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  • Great for Wii sensor bar

    posted by Billcsho on 07/21/2007
    1

    Involvement:Expert (understands the inner workings) - Ownership:1 day to 1 week

    Pros:

    Cheap, large quantity (got 21 in a pack).
    Use 12 to make two groups of 6 to make a Wii wireless sensor bar. It works perfectly.

    Cons:

    No product info. Thin legs. Not as bright in the IR range sensed by WiiMote. The emitted light may have a shorter wavelength as it is somewhat more visible.

    OtherThoughts:

    I first tested it with 1.5V and it lighted up. Then I put 6 of them in serial with a green LED (as power indicator) on each side and powered both groups with a 9V DC adapter in parallel.

    Bottomline:

    A total cost of less than $3 for a wireless sensor bar that works over 18ft. Suffient to make 1-2 sensor bars. 1.2V drop per LED works. Use 6-7 of this to elimiate the need of a resistor.

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