| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| MarkE | "I just received the 4.5mm lens. Unfortunately, it appears that the webcam lens is NOT the standard 12 x .5mm. The lens does not screw into the on..." | Read more » | over 5 years ago | |||
| maykef | " " | Read more » | over 5 years ago | |||
| maykef | "Some new pictures taken with the Multispectral camera: " | Read more » | over 5 years ago | |||
| MarkE | "I should have inquired before I ordered the 4.5mm lens. I guessed at the OEM lens' focal length by focusing a remote light source, and it looked t..." | Read more » | over 5 years ago | |||
| maykef | "Sure. " | Read more » | over 5 years ago | |||
| warren | "Wow, very cool. Could you post a pic of the dual cameras too? " | Read more » | over 5 years ago | |||
| maykef | "Here is the picture for better appreciation: " | Read more » | over 5 years ago | |||
| maykef | "Registration is done in Matlab as per this tutorial: https://uk.mathworks.com/help/vision/examples/find-image-rotation-and-scale-using-automated-fe..." | Read more » | over 5 years ago | |||
| maykef | "Is this the correct order of the filters? " | Read more » | over 5 years ago | |||
| warren | "Ah, but perhaps you're using the wrong filter setting in Image Sequencer -- it looks like potentially the NDVI values are inverse? " | Read more » | over 5 years ago | |||
| warren | "WOW!!! Was that generated onboard the Pi, or in post-processing? @xose @imvec take a look! " | Read more » | over 5 years ago | |||
| warren | "Whoa, very interesting! OK, one thing to consider is that the lens mount is an M12, or very close -- so the lenses you can buy here should fit in ..." | Read more » | over 5 years ago | |||
| maykef | "Instant trigger in both cameras: " | Read more » | over 5 years ago | |||
| MarkE | "I have some additional information regarding the webcam and conversion to IR. Examination of the lens revealed a flat glass window. I think it is..." | Read more » | over 5 years ago | |||
| warren | "Hi, @iragersh - we are modifying our backup scripts which have caused some slowness overnight this week, and your post happened during that period...." | Read more » | over 5 years ago | |||
| Bronwen | "Hi @iragersh - Sorry you've experienced some difficulties with the site, we have been experiencing some lags while we've been running a few updates..." | Read more » | over 5 years ago | |||
| warren | "It looks like there is a lot of data coming together slowly, but is still not very findable or navigable yet. But lots of hard work ongoing! https..." | Read more » | over 5 years ago | |||
| warren | "I found a lot on the NEI - National Emissions Inventory by the EPA, and posted in a couple places: https://github.com/publiclab/leaflet-environmen..." | Read more » | over 5 years ago | |||
| MarkE | "It's good to know you have the webcams as a store item. That frees me up to try some things. I'll take notes/photos and post results. Mark " | Read more » | over 5 years ago | |||
| warren | "If you look at the Microscope page, you'll see some teardowns of the webcam - the lens is small, but not a pinhole! https://publiclab.org/micro I ..." | Read more » | over 5 years ago | |||
| MarkE | "Thank you for your reply. At this point I am trying to minimize the cost of developing this approach, so I want to stick with the webcam in the ki..." | Read more » | over 5 years ago | |||
| warren | "Yes it does have a filter! But if you use the Lego spectrometer at #lego, you can use a Raspberry Pi Noir camera with the Raspberry Pi version and ..." | Read more » | over 5 years ago | |||
| warren | "There's been some strong interest in the Plantower PMS5003 which is the sensor in the #purpleair -- in case it's interesting -- https://publiclab.o..." | Read more » | over 5 years ago | |||
| roberts_ecofarm | "Stevie, I'm working on a project where we need to monitor changes in water quality. I posted about it here https://publiclab.org/n/17383. I'm ge..." | Read more » | over 5 years ago |