How to design an asynchronous counter using JK flip for getting the following sequence 0-2-4-7-9-0 - Quora
How to design a synchronous even counter using JK flip flop which counts through 0, 2, 4, 6, 8, 10, 12, 14, 0 - Quora
![digital logic - How can i make my mod 10 up/down counter wrap from 0 to 9 when counting down? - Electrical Engineering Stack Exchange digital logic - How can i make my mod 10 up/down counter wrap from 0 to 9 when counting down? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/q9DSq.png)
digital logic - How can i make my mod 10 up/down counter wrap from 0 to 9 when counting down? - Electrical Engineering Stack Exchange
![1: A 4 bit ripple counter circuit. The output of one flip-flop clocks... | Download Scientific Diagram 1: A 4 bit ripple counter circuit. The output of one flip-flop clocks... | Download Scientific Diagram](https://www.researchgate.net/profile/Philip-Leong-3/publication/238687766/figure/download/fig6/AS:670330133696521@1536830566274/A-4-bit-ripple-counter-circuit-The-output-of-one-flip-flop-clocks-the-next-one-hence.png)
1: A 4 bit ripple counter circuit. The output of one flip-flop clocks... | Download Scientific Diagram
![digital logic - In a JK Binary Counter from 0 to 9, why is the NAND gate connected to the second and fourth J-K flip flop and not the first and fourth? - digital logic - In a JK Binary Counter from 0 to 9, why is the NAND gate connected to the second and fourth J-K flip flop and not the first and fourth? -](https://i.stack.imgur.com/UCOWS.gif)