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  • Highly recommended

    posted by buskas on 08/28/2012

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


    - Cheap
    - Comes fully assembled
    - Cables included
    - Adjustable brightness via library
    - Good quality


    - Only 7 segments, suitable for numbers only
    - No documentation
    - No spacers/screws included for mounting (but suitable holes in the PCB are provided)


    To use this with an Arduino, you just need to get the TM1640.h library here: http://code.google.com/p/tm1638-library/

    I have provided an example sketch here: http://pastebin.ca/2198761


    Highly recommended! Everything about this display seems to be as it should. I got two, and after getting them to work immediately ordered two more, and some 1638s as well.

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