| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| admaltais | "Hi khufkens Any news about your tetraPi? I will keep an eye on your project. Cheers Alex " | Read more » | over 9 years ago | |||
| vihelmo | "To deliver medicines or any other product door to door. We are considering to use sensors (sonic) and laser sensors. making many points (Droneports..." | Read more » | over 9 years ago | |||
| patcoyle | "Interesting topical area, lot's of news coverage recently. What is the focus of proposed delivery system? What innovations are you considering? " | Read more » | over 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 » | over 9 years ago | |||
| JoseBarreiros | "What a great job! Thanks for sharing. I'm doing something similar with a MT9D111 camera and an ARM : https://hackaday.io/project/6386-usensecam " | Read more » | over 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 » | over 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 » | over 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 » | over 9 years ago | |||
| gpenzo | "Hello Warren. I never measure the boot time but it boots fast, I can login via ssh after 1 minute or so. And it take a couple of minutes before my ..." | Read more » | over 9 years ago | |||
| warren | "This is very exciting to see - we'd very early on tried to get a Raspberry Pi dual cam system working: http://publiclab.org/notes/warren/10-17-2012..." | Read more » | over 9 years ago | |||
| gpenzo | "Hello Ned, I'm going to calculate the x,y and rotation offset between the ir and vis pictures by doing a camera alignment with opencv. Becuase my c..." | Read more » | over 9 years ago | |||
| patcoyle | "Very nice indeed. " | Read more » | over 9 years ago | |||
| nedhorning | "Hi Grayson, This looks really nice - a great little setup. I think you made good choices: using two sensors close together with a (relatively) narr..." | Read more » | over 9 years ago | |||
| nshapiro | "Here is some alternative tech to the FLIR-- hyperspectral camera for methane visualization (which is one of the most expensive gases to monitor). M..." | Read more » | almost 10 years ago | |||
| pswigert | "Hi! I really enjoyed this thread and seeing everyone's thoughts and responses to the question. @WhiteRabbit , I was wondering if you have any updat..." | Read more » | almost 10 years ago | |||
| amysoyka | "Here is the link to the full talk: https://www.youtube.com/watch?v=z7dfK5RfMTs " | Read more » | about 10 years ago | |||
| amysoyka | "You might appreciate what these guys did. http://youtu.be/yqB8w0WXhnc 1:45 - they built a portable lab to monitor gasses around fracking sites. " | Read more » | about 10 years ago | |||
| mathew | "Those lower wavelength bands may be cheaper or possibly not require as much cooling to get a fast sensor response. Good thinking. We need a ~100k..." | Read more » | about 10 years ago | |||
| geraldmc | "While methane has a main absorption band between 3200-3400nm, it also has weaker bands around 2300nm and 1650nm. For the 3200-3400nm band EOC sell..." | Read more » | about 10 years ago | |||
| mathew | "MWIR lenses: https://www.thorlabs.com/newgrouppage9.cfm?objectgroup_id=5428 http://www.ispoptics.com/catalog/2/IR%20Lens%20Assemblies http://www..." | Read more » | about 10 years ago | |||
| mathew | "The key filter seems to be a 3.46micrometer peek bandpass filter for midwave (MWIR) infrared. a few groups seem sell them or something like it. h..." | Read more » | about 10 years ago | |||
| mathew | "InAs (Indium Arsenide) looks almost perfect, with a high sensitivity and a peak sensitivity at 3400nm (3.4micrometers) when cooled to 196K. 196K is..." | Read more » | about 10 years ago | |||
| mathew | "Finding a sensor that can do high-speed sampling in the range required is looking pretty expensive. Thor Labs has a series of amplified, cooled se..." | Read more » | about 10 years ago | |||
| mathew | "Can we digitize a 240x320 analog video signal using an standard audio jack? A mac laptop captures a maximum of two cannels (stereo) at 96khz, with..." | Read more » | about 10 years ago |