How to design a synchronous counter 4 bit using JK flip flop that can count up even numbers from 0 to 14, and count down odd numbers from 15 to 0 in 1 system - Quora
Bidirectional Counter - Up Down Binary Counter
Edge Triggered D Flip-Flop with Asynchronous Set and Reset Tutorial
Design a synchronous counter using 3 Flip Flops(D and JK FFs) (1 36 5) and loops... - HomeworkLib
Lessons In Electric Circuits -- Volume IV (Digital) - Chapter 11
verilog - Synchronous Counter using JK flip-flop not behaves as expected - Stack Overflow
Asynchronous Counter
Solved Design a 4 bits Synchronous counter using JK flip | Chegg.com
How to implement a 3 bit even counter with JK flip flops - Quora
555 7473 JK Flip-Flop 4-bit Asynchronous Up counter (MOD 16) | Tinkercad
JK Flip Flop Circuit Diagram in Proteus - The Engineering Projects
Conversion of J-K Flip-Flop into D Flip-Flop - GeeksforGeeks