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I'm trying to run 9 alpha numeric led displays to form the word "CAFETERIA", the program has to run from left to right then from right to left, so I'm using two 4017 circuits, I'm trying to implement a master control using an FF flip flop but I can't quite get the configuration in the values (resistors, transistor, etc.) to make it work, I eventually get Convergence error:
"Unable to converge during transient analysis. Consider increasing the ABSTOL, VNTOL, and RELTOL options"