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 14:56, local time: 2022/1/18 16:20,
|©2022 These pages are served without commercial sponsorship. (No popup ads, etc...).Bandwidth abuse increases hosting cost forcing sponsorship or shutdown. This server aggressively defends against automated copying for any reason including offline viewing, duplication, etc... Please respect this requirement and DO NOT RIP THIS SITE. Questions?|
<A HREF="http://techref.massmind.org/techref/io/stepper/DualJKFlipFlop.htm"> Dual JK Flip-Flop Stepper Motor Driver</A>
|Did you find what you needed?|
Welcome to techref.massmind.org!