AE&I: LESSON 20. Counters-Asynchronous and synchronous counter-decade counter-up down counter- ring and Johnson counter.
Mod-5 Asynchronous counter using JK flip-flops : r/AskElectronics
Design steps of 4-bit (MOD-16) synchronous up counter using J-K flip-flop
Asynchronous Counter: Definition, Working, Truth Table & Design
simulation - Trying to make a mod-10 counter with JK flip-flops in CircuitMaker but my outputs are always coming out HIGH instead of counting, not sure whats wrong - Electrical Engineering Stack
Design BCD (MOD-10) Ripple Counter using JK Flip-Flop || Sequential Logic Circuits - YouTube
verilog - Synchronous Counter using JK flip-flop not behaves as expected - Stack Overflow