raspberry-pi
raspberry-pi


Author Comment Last activity Moderation
Holger "Hi there, my apologies, but I have not been here for a while. If you like, any of my projects published on instructables could be reposted as activ..." | Read more » over 6 years ago
partsandcrafts " " | Read more » over 6 years ago
warren "Ooh! Cross post at https://publiclab.org/questions/stevie/01-22-2018/what-is-the-best-light-source-to-use-for-the-basic-microscope -- awesome! " | Read more » over 6 years ago
partsandcrafts "@warren @kgradow I've also been experimenting with using a magnet sandwich to hold the carriage bolt in place, like so. It seems helpful. Though ..." | Read more » over 6 years ago
partsandcrafts "@warren I just got and tried using that light you suggested: https://www.amazon.com/I-MU-Flexible-Gooseneck-Brightness-Gray-White/dp/B071Y3P8ZC/ I..." | Read more » over 6 years ago
warren "Just copying the files in here as a backup! hackteria_modified_for_cut.pdf hacktera_modified_exported.svg Hackteria_Microscope_Modified_for_p..." | Read more » over 6 years ago
Bronwen "Hi @dcanprdn you're not missing anything, our initial pre-order was so that folks could get in early to start making their own and contributing to ..." | Read more » over 6 years ago
Endure1 "The Raspberry Pi v2 camera uses a Sony IMX219 sensor. Here is the spectral response of the sensor found in their datasheet. RASPBERRY_PI_CAMERA_..." | Read more » over 6 years ago
dcanprdn "I just got a lego spectrophotomer "kit" a bag of some lego pieces, a slit, and a CD. Directions are online I guess and the buyer must supply the ..." | Read more » over 6 years ago
warren "Awesome. Trying to get a bunch of the parts and prices together here: https://publiclab.org/questions/warren/12-08-2017/how-cheaply-can-i-get-all-t..." | Read more » over 6 years ago
partsandcrafts "@warren @kgradow1 -- we also tried using one of these lights -- https://www.amazon.com/Cat-CT1000-Pocket-COB-Light/dp/B012BR6D1E/ -- and found that..." | Read more » over 6 years ago
stef "What I was alluding to is that with all of the filter attenuation, the cmos sensor was still overloaded. This can be seen in the spectra submitted..." | Read more » over 6 years ago
Ag8n "There are two approaches to this, the hardware and software. Sounds like you took care of the hardware end very well. Can you think of any softwa..." | Read more » over 6 years ago
stef "I have used photographic neutral density filters and have not been able to view the sun directly using the spec3 highly modified device. The attenu..." | Read more » over 6 years ago
Ag8n "Only one suggestion then. Sunlight can be strong. As a safety measure, partially block the sun and work your way up to full exposure. Might not ..." | Read more » over 6 years ago
jsbonillam "I am going to make and analyse the graphs with the wavelength and absorption. " | Read more » over 6 years ago
Ag8n "Please forgive the question, but what lines are you using and what method of analysis? Thank you for the information. " | Read more » over 6 years ago
warren "Oh, i don't know, but it looks very cool! " | Read more » over 6 years ago
jsbonillam "@warren The camera will be just part of the spectrometer. I am still considering whether to use LDRs (light depending resistors), as here http://ww..." | Read more » over 6 years ago
warren "How would you set up the spectrometer next to the other equipment, or the tracker? Are you using a raspberry pi camera as-is, as well, or just as p..." | Read more » over 6 years ago
warren "I think the Lego spectrometer's suitability for this is an open question, but the Raspberry Pi Camera v2 is very low noise and could be worth testi..." | Read more » over 6 years ago
warren "I think either would work, but haven't tried it myself. Once you get this assembled, please do and share your results! " | Read more » over 6 years ago
squattingdog "Thanks @warren and @richardbowman for replying, it's appreciated. I'm quite familiar with microscopes and macro photography. I have a Nikon Optipho..." | Read more » over 6 years ago
warren "Indeed -- we're hoping the basic microscope kit will create an influx of folks who go on to make openFlexure microscopes! " | Read more » over 6 years ago