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Messages - Agastar

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1351
T2 Engraving / Re: Levels of grey
« on: July 06, 2016, 08:27:30 PM »
I had a similar issue as well and ended up loading the original firmware back on and am using benbox again. I didn't think to try dithering so I'll give that a try tomorrow. The black and white worked ok but not grey scale.

I tried a test image I received with the benbox software but due to the 1000 line limit I didn't get much of it engraved. I did get enough to see that it was not working right. After looking back at my sample from benbox it seems like that software might be dithering as well.

1352
General Questions / Re: Open Source Driver Board
« on: July 06, 2016, 05:53:38 PM »
I'm not concerned with it failing or how cheaply they are made.

Why?
1. because an open source design allows you to make one or have one made in case it is no longer available commercially
2. it allows you to modify the design to make it unique to your needs
3. it allows you to expand the design to make it do other things like...
3.1 support limit switches
3.2 support one or more fans
3.3 expand the number of stepper motors you can drive
3.4 support a emergency stop switch on the machine (not knocking the software option)
4. to provide a place of reference for all the pinouts, connector types and sizes, etc...

I'm sure there are other reasons why but that's all I can think of at the moment.

1353
General Questions / Open Source Driver Board
« on: July 06, 2016, 04:08:36 PM »
Anyone thought about doing an open source driver board for these? I doubt they will but, just in case the boards are discontinued.

We could reverse engineer these, draw up the schematic and layout some PCBs. They would cost more to make than you can buy but it would be a way of getting a board made in case they were discontinued.

Thoughts?

Thanks
John

1354
General Questions / Re: 12V Fan output on Eleks Maker Controller
« on: July 06, 2016, 03:44:30 PM »
if you are worried about power you could get one of these Dell server power supplies. These can handle around 64 amps at 12 volts. that's more than enough to power the laser engraver and a couple fans.
https://www.amazon.com/gp/product/B00CIVOOQK/ref=oh_aui_detailpage_o09_s00?ie=UTF8&psc=1

There is a ton of information on RCGroups.com about how to get these up and running. I have several of them and and I even modded one to control the fan speed by inside temp. Otherwise these things are pretty loud.

Thanks
John

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