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Cheap electronics on deal extreme!

Posted by isolt 
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isolt
Cheap electronics on deal extreme!
January 24, 2013 08:02PM
DX has finally started selling RAMPS and stepstick.
Free shipping to NZ! I order quite a bit of stuff off here, they're a good site.

RAMPS $50.50USD free shipping

Stepstick $11.30 USD not the cheapest I've seen, but free shipping

There a heap of Arduino mega clones available for around $20USD as well.

No stepper motors or heated beds that I've seen yet.
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waitaki
Re: Cheap electronics on deal extreme!
January 24, 2013 11:04PM
Looks like the 3 small capacitors have been replaced by tiny surface mount ones? - or are they missing? (RAMPS bd)

Edited 1 time(s). Last edit at 01/24/2013 11:12PM by waitaki.
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fsamir
Re: Cheap electronics on deal extreme!
January 25, 2013 12:22AM
Only problem I see is that DX is overloaded with order from all over the world and they take sometimes 2 months to deliver. Also, if the part arrives defective, preprare yourself for a endless refund process.
On eBay I get the same price and the seller is concerned about his reputation, hence better service.

Cheers,
Franklin Dattein
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Dust
Re: Cheap electronics on deal extreme!
January 25, 2013 02:43AM
Caps are also 16v, so if your thinking of running a 24 volt system, you will have to upgrade them.

The smaller caps do look like they have been replaced with surface mount. To what effect if any.. who knows.
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DeuxVis
Re: Cheap electronics on deal extreme!
January 25, 2013 07:18AM
Really looks like the ramps made by reprapdiscount, except she usually seems to use 35V caps.

[www.ebay.com]

Maybe they just bought some bulk PCB from her, or ordered a batch with the cheaper options available.

Most of my technical comments should be correct, but is THIS one ?
Anyway, as a rule of thumb, always double check what people write.
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isolt
Re: Cheap electronics on deal extreme!
January 28, 2013 02:50PM
Hmm you guys are right, they do look a lot like reprapdiscount but with cheaper components. Not much of a price difference either.
What do people run 24V systems for? Just the heated bed and hot end?
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DeuxVis
Re: Cheap electronics on deal extreme!
January 29, 2013 04:49AM
Higher voltage could be used for motors too. No experience in the matter personally.

Most of my technical comments should be correct, but is THIS one ?
Anyway, as a rule of thumb, always double check what people write.
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Dust
Re: Cheap electronics on deal extreme!
January 29, 2013 04:54AM
Many are starting to run their steppers on 24volt. Gives alot more power and a higher top speed.
And yes they are good for 24volt Heated bed pates

Here is a nice doc on going 24v with ramps if anyones intersted
[docs.google.com]
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