| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| stef | "It probably would help to identify the camera better e.g. JDEPC-0V05 as shipped with the PLAB 3 spectrometer IR filter removal and Focusing. I thin..." | Read more » | about 8 years ago | |||
| warren | "Wow, this is so great! I wonder if it'd be helpful to people seeking to do this process too, if you were to rename it "Removing the infrared filter..." | Read more » | about 8 years ago | |||
| stoft | "Jeff...Actually, looking at the 'Unreinforced' 'Green' peak wavelength shift, the span is 537-549nm (the same peak in the 'reinforced' version is 5..." | Read more » | about 8 years ago | |||
| warren | "Just wanted to ping in here we did some stress tests last week based on the proposed tests @stoft made, and they're quite dramatic -- a 4-5nm shift..." | Read more » | about 8 years ago | |||
| stoft | "Thanks Jeff; understood. I'm presently working on a higher resolution P-4 spectrometers (including monochrome) so might find a spot for comparison ..." | Read more » | about 8 years ago | |||
| warren | "Also -- perhaps there could be a comparison of spectra with air gap vs. film gap... and to test your build, you might ask people to post a before/a..." | Read more » | about 8 years ago | |||
| warren | "I like this a lot! I'd try it out but I'm inclined (myself) to take things slowly -- I want to boost replications/builds on the other upgrades you'..." | Read more » | about 8 years ago | |||
| stoft | "@warren, I'm not sure I follow the linking details for grids etc., but more abstractly, a tree structure comes to mind. This note describes one com..." | Read more » | about 8 years ago | |||
| warren | "Alternatively -- we could consider a "replication" of each and every sub-upgrade to then constitute a replication of this larger set of changes, an..." | Read more » | about 8 years ago | |||
| warren | "This is such a big post, I'm wondering if we could continue (as our earlier upgrades start to see replications) to adapt multiple additional upgrad..." | Read more » | about 8 years ago | |||
| warren | "Hi, this is excellent, thanks! Would you be willing to post it as a "replication" using the button above: Document your attempt to build this ? Tha..." | Read more » | about 8 years ago | |||
| stef | "@warren This shows a metal 1/4-20 metal adapter for a tripod mount also addition of the rear 1.5X2 bulkhead with an indicator power on lead for t..." | Read more » | about 8 years ago | |||
| warren | "Wow, that's really cool. Would you be able to post some pictures of your stability upgrade as a response by clicking the button on the bottom of th..." | Read more » | about 8 years ago | |||
| stef | "@warren I have used an automotive type flat black rust paint which is available locally and comes as a spray can application or in a 237ml can for ..." | Read more » | about 8 years ago | |||
| warren | "Looking at ways to get more people to replicate this in an upcoming PL event in Somerville, possibly using this template to photo document on paper..." | Read more » | about 8 years ago | |||
| warren | "Hi, Dave - can you link the words "The PLab 3.0 spectrometer" to https://publiclab.org/wiki/desktop-spectrometry-kit-3-0, to lead people back to th..." | Read more » | about 8 years ago | |||
| warren | "Posted the build! Still need to take a spectrum and upload, but looking pretty good so far. " | Read more » | about 8 years ago | |||
| warren | "@stoft has proposed a set of tests and thresholds for different rigidity"standards" of sorts, here: https://publiclab.org/notes/stoft/09-15-2016/wh..." | Read more » | about 8 years ago | |||
| warren | "I like this idea -- you're right, even 1/2 oz would be plenty. Abdul, what do you think about that as an assembly step? Would one of those "push to..." | Read more » | about 8 years ago | |||
| stoft | "@abdul, I'd not consider superglue because of it's negative properties for human skin -- a safety hazard. Remember, the kits are sold for education..." | Read more » | about 8 years ago | |||
| warren | "Thanks, Dave -- I did a degree in architecture and so spent many a sleepless night gluing wood things together -- and I agree that not all glue is ..." | Read more » | about 8 years ago | |||
| abdul | "Would superglue be acceptable? The justification of superglue is outlined below: -It dries quickly -It comes already in small containers -It is..." | Read more » | about 8 years ago | |||
| stoft | "The size of the 'square' parts is close to 0.5-in but the "ideal" value is set by the "height" of the camera lens after the camera is mounted. The ..." | Read more » | about 8 years ago | |||
| warren | "Also, Dave -- a question: if people work to reproduce this, what are (in your opinion) the tolerances here? Could people make this with a different..." | Read more » | about 8 years ago |