light
light


Author Comment Last activity Moderation
fxp007 "Could you share some info about the light sensor you choose? " | Read more » almost 2 years ago
cfastie "I'm not familiar with the details, but I think the goal was to protect the sensor from precipitation (the outer can), radiation (the aluminum foil ..." | Read more » over 2 years ago
alnaumiwebs "HI. Can you give some details about the homemade radiation shield ? Two plastic cans. One surrounded with aluminium paper and the other inside with..." | Read more » over 2 years ago
MaggPi "Hi, -One option would be to use near infrared LED strip lights similar to what was done here: https://www.youtube.com/watch?v=Y6Vz6sSnXhY&feat..." | Read more » almost 3 years ago
cfastie "If you are taking a still photo every hour or so, you might be able to take a flash photo. A split second flash of visible light might not interfer..." | Read more » almost 3 years ago
arun " hi!! " | Read more » over 3 years ago
warren "There've been a few attempts to make a telescope adapter for different spectrometry kits. Sounds like a good thing to 3d print! " | Read more » over 4 years ago
xose "Cool!! Another interesting point to have in mind is the orientation of the slit in relation to that of the diffraction grating. More info here: htt..." | Read more » about 5 years ago
saeed957 "Thanks Xose, no I haven't tried but I will give it a try. " | Read more » about 5 years ago
xose "Hi @saeed957! Have you tried using a mobile phone? You can try taking the picture first and then upload it to the Spectralworkbench. I've modified..." | Read more » about 5 years ago
EdMallon "After two successful deployments of our temperature chains I can confirm that my heat-shrink and epoxy sensor mounting method goes the distance und..." | Read more » about 6 years ago
khufkens "On the raspberry pi camera there is no real focus, so you either unscrew the lens assembly (google macro lens / macro photography and raspberry pi ..." | Read more » over 6 years ago
cosettespafford "Can you let me know how you focused your camera? I just finished my spectrometer yesterday; I can take spectral images at this point, but they need..." | Read more » over 6 years ago
cfastie "Neil, Yes, the window slime will probably have to be removed every couple of weeks. Or maybe window transparency could be monitored with a separat..." | Read more » over 6 years ago
neilh20 "Wow amazing mockup video. Any thoughts on slime buildup on sensor windows.? I don't know whether a heat-shrink tubing could be useful? http://www.m..." | Read more » over 6 years ago
donblair "OH. MY. GOSH. Amazing design (and video!!!). Can't wait to chat with you about this. Relevant electronics parts are being ordered presently. " | Read more » over 6 years ago
cfastie "Here's another design of an indestructible underwater housing. You should be able to build one with hardware store parts for under $15. No mirrors..." | Read more » over 6 years ago
gpenzo "Any update on your sensor setup? " | Read more » about 7 years ago
EdMallon "This thread was part of my inspiration to build a few long strings of DS18B20 sensors: http://edwardmallon.wordpress.com/2015/03/01/using-ds18b20-..." | Read more » about 7 years ago
balrog "In short yes, I think your price estimates are good and opensource can beat this. It will be challenging running an Arduino for a year on a coin c..." | Read more » almost 8 years ago
cfastie "Apparently Onset manufactures HOBOs to be NIST traceable, but they charge more money for units that pass a calibration test. Jeremy buys the less e..." | Read more » almost 8 years ago
gpenzo "Rs485 can be used. Only 3 lines and 31 slaves with max 4000ft distance. " | Read more » almost 8 years ago
amysoyka "Would either of these help? https://www.spark.io/ http://www.digi.com/xbee/ " | Read more » almost 8 years ago
mathew "@btbonval is probably right, the best short-term solution is to try to read the IR serial signal coming off of the HOBO devices. That seems to be ..." | Read more » almost 8 years ago