| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| Tomas0413 | "Quick update: The grating orientation might be the thing. I tried 4 * 2 = 8 combinations for the grating, and it didn't make any difference - in ..." | Read more » | over 6 years ago | |||
| Pushpaw | "Just tried it and it is important to note that what you will see is 3 dots once the laser beam has passed through the diffraction grating. One is w..." | Read more » | over 6 years ago | |||
| Tomas0413 | "The grating orientation might be the thing. I somehow didn't think about it before. I do have a laser pointer, and when I tried a few weeks ago, I ..." | Read more » | over 6 years ago | |||
| Pushpaw | "As far as I can see that camera placement looks as it should. Going off on something of a tangent, do you happen to have a laser pointer. If you po..." | Read more » | over 6 years ago | |||
| Tomas0413 | "Thanks for prompt replies. I'm travelling now without access to the spectrometer, I'll share new photos on Mon/Tue next week. " | Read more » | over 6 years ago | |||
| warren | "I would try with the DVD first just because it's easier to know when it's properly aligned. Then upon confirming nothing else is wrong, and it's wo..." | Read more » | over 6 years ago | |||
| warren | "OK - that's OK, the camera should be looking at the dark inside surface of the lid. The grating or DVD should bend/refract the light downward into ..." | Read more » | over 6 years ago | |||
| Tomas0413 | "Warren, for now, I just completely removed the grating. And actually, I no longer use a slice of DVD, I bought a set of gratings (an upgrade). When..." | Read more » | over 6 years ago | |||
| Tomas0413 | " " | Read more » | over 6 years ago | |||
| Tomas0413 | "Pushpaw, thanks for the reply. Not sure why you mention auto-focus, you don't want it, and I'm pretty sure the camera that ships with the spectro..." | Read more » | over 6 years ago | |||
| Pushpaw | "Your Guvcview control panel looks much like mine running on a real Ubuntu PC (If I understand you correctly you are running it in a virtual machine..." | Read more » | over 6 years ago | |||
| Tomas0413 | "And this example says FixedFocus: Look what I found on AliExpress http://s.aliexpress.com/yiIBvmiy " | Read more » | over 6 years ago | |||
| warren | "Great, i look forward to seeing the photos. Please also upload one of the front slit of your box! I don't think autofocus would cause complete dar..." | Read more » | over 6 years ago | |||
| Tomas0413 | "For example threre’s a similar camera on AliExpress and the description says that it’s AutoFocus and that this can’t be changed : Look what I found..." | Read more » | over 6 years ago | |||
| Tomas0413 | "Thanks for the response, I’ll upload tve image tomorrow. But aa far as I remember even if I leave only the camera inside the box the moment lid clo..." | Read more » | over 6 years ago | |||
| warren | "I actually usually use default webcam settings! So going back to the original question, I believe there may be an issue with the angle or the orien..." | Read more » | over 6 years ago | |||
| Tomas0413 | "Thanks! Warren maybe you can post the settings that you use so that I can try them tomorrow? " | Read more » | over 6 years ago | |||
| warren | "This is great to see. Good work! " | Read more » | over 6 years ago | |||
| Tomas0413 | "uvcdynctrl -d video0 -c Listing available controls for device video0: Brightness Contrast Saturation Hue White Balance Temperature, Auto ..." | Read more » | over 6 years ago | |||
| Tomas0413 | "uvcdynctrl -d video0 -c Listing available controls for device video0: Brightness Contrast Saturation Hue White Balance Temperature, Auto ..." | Read more » | over 6 years ago | |||
| Tomas0413 | "I'm now able to control UVC Camera settings, however, the images are still dark when I close the list. I was hoping to be able to set Auto Focus to..." | Read more » | over 6 years ago | |||
| Tomas0413 | "Update: got the camera to work on Ubuntu!. The issue was fixed by installing VirtualBox extension pack and choosing USB 3.0 (instead of USB 1.0 ) " | Read more » | over 6 years ago | |||
| Tomas0413 | "On Ubuntu 18 via VirtualBox camera is visible to the OS and on spectralworkbench.org you get a request for permission to use the camera. However th..." | Read more » | over 6 years ago | |||
| Tomas0413 | "Quick update:grinning: 1. I got the USB cable for the Raspberry Pi Zero delivered, however it doesn't fit into the original Public Lab enclosure. 2..." | Read more » | over 6 years ago |