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| {{ProjectInfoBox
| | #REDIRECT [[3D_Scanner#OpenScan]] |
| |project title=OpenScan
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| |image=
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| |status=in progress
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| |date=May 2019
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| |initiator=[[Luzian]]
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| |team=[[Henrik]]
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| |materials=[[3DP|3D printed]] parts
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| |tools=
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| |software=various [[photogrammetry]] options
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| |cost=20-60$
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| }}
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| At Make Munich 2019, one of the exhibitors showed off his automated [[photogrammetry]] capturing system, the OpenScan. For photogrammetry you need a lot of pictures to get accurate results which can be tedious, the OpenScan does that for you.
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| The creator gave us a custom [[PCB]] and some conectors which are also available on his [https://www.openscan.eu/shop?lang=en website] or can be downloaded for free since it is completely Opensource. The OpenScan uses 2 standard NEMA 17 stepper motors (which [[Ciaran]] kindly donated) to rotate the object you want to scan in front of your camera. The board also has got an output to automatically trigger the camera.
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| == Current State ==
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| All the parts have been printed and the components are all connected to the PCB thanks to [[User:Henrik|Henrik]]. "All" that's left to do is assemble the frame, do the wiring and flash the firmware on the board.
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| === Software Adjustments===
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| Unfortunately, the Arduino Sketch provided by the OpenScan Project had a bug which resulted in the camera trigger not being triggered. This was due to the sketch trying to access the variable <code>val4</code>, which was declared at the beginning of the sketch, but never got initialized.
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| In order to fix the bug, we added <code>val4 = EEPROM.read(44);</code> into the function "AUSLOESEN".<br/>
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| In general, it might be a good idea to refactor the code in general in order to make it more stable.
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| [[Category:3D Scanning]]
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| <!-- wenn mehr Info: auch Category:3D Printing & Electronics -->
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