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ljcox said:I assume you want to illuminate only one LED at a time. Is this true?
If so, then you need a modulo 27 counter with suitable decoding.
That depends upon what he wants.AllVol said:Modulo 28 is needed. The actual count is one less than the modulo number.
Following on from my previous post, do you want a "dark state" or do you want one LED lit at all times?purcer said:Hi jbeng.
I made a mistake on the count of LEDs I only need 25.
So using four chips is no problem for me but I'll need some help.
also answering Allvols question I am trying to make a light sequencer or light chaser.
Thanks
William
The same applies to on1aag's circuit and my variant of it.jbeng said:Also, the entire setup can be reset from one pin by adding an OR gate into the reset line on the first (leftmost) counter.