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Dual JK Flip-Flop Stepper Motor Driver

By Christoph Maier

Probably the simplest drive possible is one made with nothing more than 2 flip flops:

Note the LEDs are not needed, they are only there to show the coil signals. Here it is on a breadboard:

And here is one running:

Stepper motor driven by 7476 dual JK flip-flop from Tatzelbrumm on Vimeo.

Now, please note there are many problems with this:

But the point here isn't to build a great driver, it's to learn how the sequence of signals can be made. These issues can be overcome^ but less expensive drivers are a better choice for actual use. The problem: You never learn how they work!

Also: Digital Logic Tutorial

file: /Techref/io/stepper/DualJKFlipFlop.htm, 1KB, , updated: 2015/9/18 15:56, local time: 2024/6/13 00:20,

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