I have purchased and bread boardedd a circuit which is made up of 74ls90, BCD counter, 74ls47 seven segment display driver, and some 470 ohm resistors, and 7 segment common cathode displays made by Kingbright. I found this circuit on Aaroncake.net /circuits/counter.asp. I already have over $140 invested in this. I get the numbers to come up but they are random, and sometimes I get random letters. This circuit is to replace a shuffle board game that had 2 PC boards wiped out by 110 volts.
I need some help in getting this thing to work properly, so I can press on with getting the shuffle board back on line.
I hoped this is the way to get this problem out there.
Thanks
Tom
I need some help in getting this thing to work properly, so I can press on with getting the shuffle board back on line.
I hoped this is the way to get this problem out there.
Thanks
Tom