paragasu schreef: > i case there is a problem with my circuit connection. here is a photos > of my > circuit. i welcome any suggestion or comment about it. > > http://www.nunukragang.org/pic1.jpg > http://www.nunukragang.org/pic2.jpg > http://www.nunukragang.org/pic3.jpg > To keep your CPU safe I would recommend to replace those 10 ohm resistors with something larger (470 ohm or more)... Furthermore to test your setup try writing all '1's to the output ports and check if all leds light up, or take a voltmeter and check the ouptut pins. Maybe all LEDS are mounted the wrong way around ? (The longer pin is usually the positive or anode but some manufacturers mix them up)
Regards, Gert ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ Sdcc-user mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/sdcc-user
