answered
answered


Author Comment Last activity Moderation
aquiles "@bronwen, I don't have any links yet, just working on ideas in the lab while trying to find a good compromise quality/price. Coming from a 15k€ obj..." | Read more » over 6 years ago
aquiles "Thanks @asnow! I will try the amscope lenses to see how they perform. When I have some feedback, I'll post it here! " | Read more » over 6 years ago
Ag8n "Go to: https://github.com/jboone/tpms It gives a working system with links to a hak5 video etc. It doesn't count cars, but... " | Read more » over 6 years ago
Ag8n "Ok. Let's go through it step by step. First, after a little digging, it looks like there are two frequencies used 315 mh z and 433 mhz. So it woul..." | Read more » over 6 years ago
JohanoSugarro "@bronwen I would say that the second idea is better. Friend of mine have also been using amscope lenses with Raspberry Pi cameras and it hasn't wor..." | Read more » over 6 years ago
JohanoSugarro "@Ag8n That's good idea and clever way to do the job. The problem is that, this will be very complicated to set up everything. " | Read more » over 6 years ago
lach_myers "I'm using Raspian Stretch, but it shouldn't matter too much so long as there is some sort of Camera control. There are lots of instructions around ..." | Read more » over 6 years ago
stevie " @stevie has marked ramseysprague as a co-author. " | Read more » over 6 years ago
Ag8n "You might look into TPMS ( short for tire pressue monitoring system) by j. Boone. Its freeware that runs on linux. The hardware is a rtlsdr ( it ..." | Read more » over 6 years ago
Bronwen "Hi @aquilies just to add what @asnow said, we've been stacking the amscope lenses with Raspberry Pi cameras, which has worked well, but this is a n..." | Read more » over 6 years ago
asnow "Hi @acuiles! We typically source lenses from Amscope, they usually have the best price, free and fast shipping! We typically work with 10 or 20x. A..." | Read more » over 6 years ago
xose "Cooool! Shoot any doubt you find in the process ;D " | Read more » over 6 years ago
Aleksi12358 "Thanks for info. I should have googled those operating systems and read about them. Those two operating systems are what web shop I was going to o..." | Read more » over 6 years ago
xose "Yes. Kodi is a multimedia player Operating System used to have plugged to the TV and playing films and so on. Raspbian is a full GNU/linux operatin..." | Read more » over 6 years ago
warren "I've only used Raspbian! " | 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