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Actually it is because I had the extra gates on the IC and had to tie them off anyways, and I have a drawer full of LEDs to use up wherever. The LEDs are basically useless, well the one lights,...

If you're too lazy to install Eagle how will you ever build a motor driver?

I hardwired reset to never happen. Reset caused the IC to draw a lot of current for me! I didn't like that, so I made...

Your best bet is probably to just buy a Chinese board. I've made drivers with this IC and at best I saved maybe $10 USD an axis doing so. Then you still need a break out board which the multi axis...

Hey Tom. Maybe where you come from apples and oranges comparisons and phrases like, "jaw dropping" have weight but not where I come from. Every time you say something I'm more and more convinced that...

Do you know what ICs your driver boards use? If you get ones with TB6560s I think they're pretty good, Just don't try to run them with 32 volts and you should be OK.

I run mine at 24 volts and I'm...

Like this?

http://www.monumentalelevatorsupply.com/images/product_images/johnsonbar.jpg

If yes, then that'd be a Johnson bar.

I worked in a shop where we occasionally moved Bridgeports with 4 guys and 2 Johnson bars, and a few scuffs on the floor when we were done ...

I tried to boot off a floppy drive on one old machine I have here and it just wouldn't work anymore. So I for one say good riddance to bad rubbish when it comes to floppy drives. They never worked...

I use emulsified oil as coolant and it'll rust my machine if I let it sit on it too long.

I use chainsaw bar oil as way oil, it sticks like glue! Using oil for engine crankcases is not really such...

You mean you want to solder to the lugs of the IEC power receptacle inside the power supply?

If yes then be advised that some are internally fused. You have to look closely for a little plastic...

Sometimes silicone on metal is the kiss of death. At least with automotive windshield repairs. Usually water can wick under the silicone and it just kills the whole frame. I've seen it happen...

I don't know if you've thought of it or not yet but you could try using some shields on your table to try to contain the coolant somewhat. I know its called flood coolant but that doesn't mean flood...

The reality is you still need to phase a stepper motor correctly in order for it to run right.

I never had to resort to it yet but the "Bill Krause says:" method sounds like it should work.
...

You could have gotten the wiring diagram from their website too I suppose:

http://www.wantmotor.com/ProductsView.asp?id=162&pid=75&sid=80

With stepper motors just ringing them out isn't quite...

240 RPM then resonating sounds to me like you are running in full stepping mode. Switch to 1/2 or 1/8th mode and you should be able to run the way the you want to.




Of course it does. In...

I can't tell exactly what they're doing but there do appear to be, in the picture, diodes the motor outputs are connected through on the board. While the claims may be a bit inflated it looks like a...

Maybe. I never used a TA8435. I don't really think you need to run at 100 volts to go faster than 40 RPM. I know my TB6560s can run 2500 RPM at 24 VDC and 2 amps. As can drivers I've made using...

For my application I need .25 ohm and through hole. That, and about a dozen is all I really need.

These would work:
http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=15FR250E-ND

Maybe you missed the part where the sense resistors can cost almost as much as the ICs themselves?

Possibly you have more than you need and can sell off some and get what you want?

Whats bad about carbide, other than how brittle it is, is the fact that the stuff never gets nearly as sharp as HSS does. Of course whats great about carbide is it takes a really long time to get any...

It depends on what your reference voltage is called VREF in the datasheet (that'd be the voltage on pin 10). Usually there is a 5 volt source used that also supplies the logic power the chip needs.
...

I cannot imagine why. PCBs are designed for specific parts and by the time you got done chasing down every last one you need you'd end up spending a lot more than they do buying in quantity. Just...

I am running TB6560AHQ at 24 VDC and getting acceptable performance for me. Their fast decay mode really helps performance. subjectively fast decay is more like operating at close to double the...

But then there's this:

http://blog.metmuseum.org/cloistersgardens/2009/12/18/boxwood/rosary-bead_324/

I saw it once when I was a kid pictures just don't do it justice!

Wood machining speed appears to be somewhere around 3300 Surface Feet Per Minute so a 1/16th diameter bit turns 200,000 RPM, an 1/8th bit 100,000.

It doesn't cover wood but everything else should...

Actually this is what should have been done:

http://www.askthebuilder.com/B50_Concrete_Curing_SealingTips.shtml

Actually for the highest ultimate concrete strength you should let it cure as slowly as possible. Concrete is is like a crystal and the more it grows the stronger it sets.

Sometimes sprinklers are...

Who's debating? I was agreeing with the poster I replied to.



With what? Why'd you post in the first place?



Bud, you ain't got so much as brick one in the barrow yet. You don't know...

Technically you're not even supposed to walk on a new slab for a month (not that anyone actually waits).

So yeah, you're jumping the gun a bit there.

Others have fixed their humidity problem by running an oscillating fan to circulate the air. The solution can be as simple as that.