Parallax propeller driving a stepper motor

I'm using a counter module to provide a numerically controlled oscillator, the frequency is updated at a regular interval to implement a smooth trapizoidal velocity profile. Distance is the integral of the frequencies. Inspired by the g-rex by geckodrive.com

Category:

Howto & Style

Tags:

• stepper
• motor
• parallax
• propeller

[yak55x]

So the benefit is running USb instead of parallel port?

[littlestworkshop]

@yak55x This is being driven from a microcontroller just to show the algorithm works, I have used it in stand alone systems without a PC at all but it could potentially be used with a PC via the USB that is true.

[r2d4cp3o]

would be good if you showed the connections and so forth.

[littlestworkshop]

Nothing to show really, the propeller just provides step and direction signals (two wires) to a commercial stepper driver. That requires only power (24dc in this case) and there are four wires from that to the motor.

[littlestworkshop]

It is a commercial linear actuator.

[HeadShot360IN]

0:13 pacman walks in

[sworteu]

sounds lik police...

[huskodotnet]

This is cool. do you have a list of the hardware you used? I was thinking of creating a slider like that but I don't know where to start other than the stepper motor.