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A WiFi Barcode Scanner with Touchscreen
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* August 07, 2014, 03:45:05 AM
I recently built this project for a customer.

It is an intelligent WiFi Barcode Scanner with an integrated 3.5" touchscreen, based on an embedded Linux system.
Designed with TurboCAD Pro Mac v7 and milled on a StepFour BASIC 540 machine.

Full story here (german):


-- Harald
« Last Edit: October 03, 2014, 10:28:32 AM by hschneider »


August 07, 2014, 05:49:44 AM
Now That is an incredible story Harald! tell me about the CNC part- is that designed from TC Mac, too? I knew a few of the major "technical German" words! Very rare, the CNC linking from a Mac!


* August 07, 2014, 06:21:06 AM
The CNC parts are derived from the original 3D object.

I copied the solid part and converted it to a wireframe object by changing its object type to "Curve".
Then I selected a side view on the copied object, deleting all structures which made it 3-dimensional.
E.g. if you have a top and bottom surface with vertical lines in between, I deleted all vertical lines and the complete bottom surface.
What is left over is a flat 2D "drawing", the top surface in the example above.

If you have a look at the CAD picture of my first post, you see all the 2D parts lying around the solid object.

Then I exported this 2D part as a DXF to be processed further by the CNC software under Windows.
You just have to take care that all curves are closed.

In the CNC software you have to assign such things like outline or inline milling paths and the order in which the different paths are milled.

-- Harald

« Last Edit: August 07, 2014, 06:46:37 AM by hschneider »


August 07, 2014, 12:12:55 PM
Thanks Harald- i'm a CNC machinist, just wondering if the Mac was doin' the driving! 8) ;D


* August 07, 2014, 12:18:12 PM
NOPe ... Macs still leave the dirty work to Windows machines ...  8)


* August 08, 2014, 12:31:11 PM
Great story thanks for posting!


* August 12, 2014, 05:46:13 AM
Thanks !

BTW - the milling machine is controlled by Windows, but Windows runs inside Parallels on an iMac.
So at least the Mac does the job .... :-)


August 12, 2014, 08:54:59 PM
very kool!
aproximately a couple weeks out, I shall be becoming one with the 3D printing folk! =Replicator 2! 8) ;D


* August 12, 2014, 10:16:09 PM
Great - can't wait for your first 3D postings here :-)