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I am usinf a processor here. Im testing this clock for months now still no error. There are no resistors for displays because I limit the current using the software instead of using resistors.
More info about Zero-error 1 second Timer you can see if you search.
I will post pictures and schematics later for you.
or that the LEDs are fed from 5V...?
"thus this must be 'design (sic) by luck'"
Indeed it is; but I gather it is quite common where "Cheap" is the overriding requirement - this was discussed on 8052.com a while back...
can mister pasan lariNski plz post the schemantics.
i have been working for the 512 led SIGN BOARD nopw and have problems.
plz post teh code too as well. is it messy? how did you work that as you have given in the photos and too in the video plz. Also share the final working files here. this is important.
if you've already "got problems", you don't want to compound them by adding questionable design practices...