That is my circuit on post #12, I drew it and tested it.
So you are wanting to light the LEDs sequentially using this schematic. How many LED? Is it being use strictly for LEDs?
Diodes 1- 35 are so you can do patterns, like wig wag lights or police lights. For a straight sequencer they are not needed.
I'll be glad to work with you. Have you built this on a proto-board or what?
I am trying to built a trigger sequencer for some percussion modules. They easily trigger from a slight voltage pulse...!
The sequencer will have three rows of 8 steps and will have the LED's for each stage to show which stage is active. I will then tap the voltage to feed the drum trigger module inputs. I need the ability to make different number of stage sequences... so I will have a rotary switch to tie the first 4017's reset (pin 15) to any of the stage LED outputs to change the count.
I started by building the circuit I attached in my original post... with the 4011 nand gates... and it worked perfectly, but it wasn't sequencing the LED's *steadily* ...maybe OK for flashing LEDs... but is no good for percussion "time keeping". It stuttered... skipping LED's quickly while syaing on others a bit longer. You could easily see it.. so you would definitely hear it...!
So I posted here and it was suggested I replace the 4011 with the diodes and resistors etc as in your circuit...
This I did - in a very rough Xmas tree way, soldering them to each other to test - and it worked very well. Once I decided to tidy it up and transfer the diodes and resistors onto my vero-board, it was still working but with errors like I listed:
If I reset on the 10th step... it cycles 2 > 9.... missing out LED1...!
If I reset on the 6th step.... it cycles to step 5 and then just stops and stays on 5... no matter what.
If I reset on the 4th step.... it cycles to step 3 and it stops and stays on 3 - however, if I put my fingers across LED1 it then cycles 1-2-3 as it should...!
I have only wired the first 10 LED's so far... I thought it might be an idea to sort this problem before progressing and adding more...!?
Well that is basically it... any ideas much appreciated.