number of PIC pins & 7-seg display

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  1. - 2nd April 2009, 07:31 #8
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    Quote Originally Posted by revelator View Post
    I'm looking at maxim 7219 which I believe can drive up to 8 digits, 8 segments using only 3 pins (load,Din,clk) from a pic say RB0-Rb2 on a
    16f84

    http://www.maxim-ic.com/quick_view2.cfm/qv_pk/1339
    Hi archendekta,
    You can buy an LED display that uses SPI or Shiftout commands on 3 pins from BRUCE at RENTRON, and others . . . http://www.rentron.com/SLED-C4.htm Or just buy the driver chip from him.Here is another brand from China.http://cgi.ebay.com/1-5-Character-He...3A7%7C294%3A50
    and they can be daisy chained.
    Last edited by Archangel; - 2nd April 2009 at 10:22.
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