Cactus Posted November 9, 2012 Report Share Posted November 9, 2012 Hi,After taking the baby steps with my brand new Papilio One + LogicStart and playing around with it, I've noticed now that there's a weird ghosting effect going on with the rightmost digit of the seven-segment display: if I set any of the other anodes to low and the rightmost one to high, the segments of the rightmost one still light up faintly. This doesn't happen with any of the other digits.Now, of course I first thought it was my time-multiplexing code that was wrong, but it even happens with the simplest possible static code: SS_DP <= '1'; SS_ANODES <= "0111"; SS_SEGS <= "1010101";This will light up the first digit with a wierd Y-like shape, but will also light up the fourth one slightly.This started happening after a couple of weeks, and I haven't disassembled and reassembled the LogicStart megawing from the main FPGA board in the meantime, so it kinda just started happening overnight.Any ideas what this could be? How I could fix it? Please note that it might not be easy for me to get access to a multimeter.Thanks! Link to comment Share on other sites More sharing options...
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