raspberry-pi
raspberry-pi


Author Comment Last activity Moderation
mathew "if you're interested, we made Dylos drivers for Open Pipe Kit for the Pi-- its a flexible platform for pushing data to Phant and any other database..." | Read more » over 8 years ago
cfastie "Thanks Erwan, It looks like awb_gains allows the red and blue channels to be adjusted relative to one another which is just what is needed. Howeve..." | Read more » over 8 years ago
Erwan "hi, Did you trying this with picamera ? https://picamera.readthedocs.org/en/release-1.10/api_camera.html Here there are some possibility to parame..." | Read more » over 8 years ago
cfastie "LaPa, The custom white balance procedure you refer to works only for certain cameras. A year ago it was not possible to set a custom white balance..." | Read more » over 8 years ago
cfastie "Hi Thomas, There has been a long discussion of this very topic here today. It happened in the comments to a four year old research note on a mostl..." | Read more » over 8 years ago
mathew "this is really cool! I'm using a commercial microscope right now, and really need to move to an automated slide stage to automate the assay. This ..." | Read more » over 8 years ago
khufkens "I assume the optical properties of the chip should be relatively consistent, however optics might interfere a bit (create wavelength dependent loss..." | Read more » over 8 years ago
warren "Huh, this is great -- do you think these measurements will be fairly similar across different cameras, if they're all OV5647s? Do you have any extr..." | Read more » over 8 years ago
khufkens "Further, note that these values are scaled between 0-100% while the true QE peaks at an efficiency of 53.6% in the blue channels respectively. Rela..." | Read more » over 8 years ago
khufkens "Side note: the above assumes that the OmniBSI chipset as displayed in the documentation is the one residing in the OV5647, which is highly likely b..." | Read more » over 8 years ago
khufkens "I'm busy with work for the moment and have little time for my side projects. I'll probably pick it up again somewhere in autumn. I contacted some p..." | Read more » almost 9 years ago
admaltais "Hi khufkens Any news about your tetraPi? I will keep an eye on your project. Cheers Alex " | Read more » almost 9 years ago
leandro "Good Job Khufkens I have interest in developing research NDVI using raspberry pi. I still need to learn a little more about it , but I was very ent..." | Read more » almost 9 years ago
JoseBarreiros "Hi, did you get the ov5647 spectral response?. I'm really interested in your project because I'm doing something similar but with an Aptina AR0130..." | Read more » almost 9 years ago
jamesalanlytle "Hi there, this could very well be exactly what I'm looking for. Just to confirm, can I use this to monitor a walk-in cooler/freezer and could I mo..." | Read more » about 9 years ago
khufkens "Thanks @cfastie for reminding me of the Raleigh scattering, my equally scattered Sunday evening brain didn't quite put two and two together. The re..." | Read more » about 9 years ago
cfastie "Koen, These NDVI images look really good. There are multiple reasons that could explain why the trees in the distance have lower NDVI values with ..." | Read more » about 9 years ago
gpenzo "Hallo khufkens. Off the shelve approch is a very good way, if it does the job why not. I will keep an eye on your project. The main reason for the..." | Read more » about 9 years ago
khufkens "Wow, that's an impressive project. I don't have the electronic engineering skills to finish such a polished product I fear. I use a more 'off the s..." | Read more » about 9 years ago
gpenzo "Nice. I'm trying to do the same thing with a beaglebone black. http://publiclab.org/notes/gpenzo/03-25-2015/ndvi-cape-for-the-beagle-bone Only I us..." | Read more » about 9 years ago
woodcmiami "Should the script be named ~/etc/init.d/timelapse.sh instead of ~/etc/init.d/timelapse.ch like you have in the second code window? " | Read more » over 9 years ago
rjstatic "Thanks @cversek! The first power supply we tried was some cheap $1.50 things we found on Amazon (see the Ground Computing thread here) so when you ..." | Read more » over 9 years ago
cversek "Hi RJ, it was me who Don was talking to. I find it amusing that if everyone stuck to the digital world no one would know (or care) how junky many ..." | Read more » over 9 years ago
rjstatic "@natevw Thanks for you comments. We should Google Hangout, I'd love to hear more about the projects you know about. It looks like our paths have cr..." | Read more » almost 10 years ago