2 Digit 7 Seg LED w/ 4 pins

Discussion in 'General Electronics Chat' started by rwaynes, Aug 10, 2012.

  1. rwaynes

    Thread Starter New Member

    Aug 10, 2012
    1
    0
    Hi all
    I have a 2 digit 7 segment LED display module with only 4 pins. No markings
    I've googled, can't find anything like it.
    Anyone know how to drive it. before I smoke it :(

    Thanks
    Wayne
     
  2. MrChips

    Moderator

    Oct 2, 2009
    12,421
    3,356
    Connections are probably power, ground, data, clock.
    Post photos, top and bottom.
     
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