Stepper motor control interface?

Kits PC Related Projects
1

I have a unipolar stepper motor connected (via relays) to channels 5, 6, 7 and 8 on the K8055, and I can make it move via the demo program, but it requires ticking the checkboxes a lot to move it. It’s attached to a wheel, so if I activate outputs 5 and 7 in order, the wheel moves clockwise, if I tick and untick 6 and 8 in order, it goes anti clockwise. I know a lot about electronics, but only a small bit about programming. So I’m wondering if there is a program with simply 2 buttons, click one, it quickly activated and deactivates channels 5 and 7, and the other button quickly activates channels 6 and 8?

If not, any pointers how to get started off programming it? I have never made .dll’s or .exe’s before, but have worked with C++ a little.

EDIT: Also there seems to be a problem when using the external analog inputs. I have a source that outputs around 3V, but the K8055 only picks it up as around .666 volts. Any idea’s?

-Dan :slight_smile:

2

[quote]If not, any pointers how to get started off programming it? I have never made .dll’s or .exe’s before, but have worked with C++ a little.[/quote]You can download some example programs from Velleman downloads page: velleman.be/be/en/download/files/

[quote]I have a source that outputs around 3V, but the K8055 only picks it up as around .666 volts. Any idea’s?[/quote]Have you turned the potentiometers ATT1 and ATT2 (RV1, RV2) to max position clockwise?

3

ATT1 and 2 still have an effect when jumpers SK3 and 2 aren’t on?

4

Yes, they have effect.
You can use ATT1 and ATT2 to attenuate the analog input signals (A1 and A2) if above +5V.