Thermo 7 segments - little problem

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  1. - 16th February 2010, 17:57 #10
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    fratello
    fratello is offline Senior Member
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    Default Without flickering...

    I made the thermometer, using the code from Mr.Mehmet - Thanks ! I use common cathode LED display. But..., with the schematic from Mr.Mehmet , the display have flicker...It' one good ideea to use transistors for cathodes, like in picture ? It's correct ? (In ISIS dont work ! ) It's this one solution for "flicker free" ? Thanks in advance for reply !
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