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4A is max what the motor can take, without "burning".
3.5A is max what G540 can give the motor, without "burning". :)

You are wrong. I have five G251. :)

You started this thread 03-06-2007, 16 months ago. :confused:
I give up waiting now. :tired:

And maybee you can try to set "Debounce" to 2000.

Sorry. I'm living in Sweden you see, and you can't buy everything from here, or???

Everything is standard components. It's not so difficult to get simular in US, hmm...

No all by my self. :) I...

What's wrong with post 803? :)

http://www.cnczone.com/forums/showpost.php?p=453456&postcount=803

Yes, I did it myself. But it's only a connectionscard. No optoisolated, no short-circuit protected, no watch dog. No protections at all, only connect the G251 to the computer.
It's OK for me, I not...

Some pic of my BOB-light with four G251.

Thank you, Mariss and Marcus.

The HobbyCNC's kit is ONLY for Unipolar motors. G250/251 is for Unipolar AND Bipolar motors.
And, it's a kit. "Kits requires PCB soldering skills."

Hi. Here's what I working on today. :)
I made it in DipTrace, and it's free to use.
(Size 107.50mm x 76.25mm.)

Who talks about the motors?

It's the drives you destroy.

Khalid, you not think you are little tooooooo much now?

I'm not tell you, "you are like a pain in the ass", but not far away. :)

Khalid
From post 609: "There is one entry per person, and your first entry counts so make it good."

I got my small babys today. Thanks Mariss & Marcus. :)

10 of that card takes all week or?

I can do it faster, by hand. :)

New name: G-Zero

I can wait for the REV5 version. :)

118

And here with the fan on the top.

I'm only shoowing this for Mariss, if he like to do it the same way.

I sell it, but only in Sweden.

Here is my version of BOB with 1 to 4 Drivers. :)

/// Jojje

I use a Solid State Relay.

And http://www.hv4all.com/cnc/Power%2520Supply%2520with%2520Bleed.pdf

They are coming from Geekodrive from the beginning i think.

http://www.hv4all.com/cnc/RETURNED%2520ENERGY%2520DUMP.pdf

We have no problem with delaminating. If it delaminates, it's the MDF itself, not separate from the aluminium. We use a two-component karbamidglue. The same we use when making doors for outdoor use,...

If you have problem with MDF, why not use HDF?

We use thin (0,5mm) aluminium sheets in between. It becomes very stiff if you glue 2 or more alu sheets together with the MDF.

Edit: Spelling

http://www.amanatool.com/bits-fv/rc-2257.html

Put this, or simular, on top.

http://cnc-plus.de/index.php?cat=c76_Mill-through-mat.html

Do a search for "Wright Whirlwind" and you will see.

Look at post #717.