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nshapiro commented on A kit to design your own formaldehyde experiment? about 3 years ago

So exciting @kkoerner! no need to have a finalized prototype, in-process is a nice time to share ...

kkoerner commented on A kit to design your own formaldehyde experiment? about 3 years ago

@nshapiro Yes, I'm still with CAC! I've been meaning to post some of the work I've done here. We ...

keithgray commented on Hi, I want a microscop about 3 years ago

buy it:)

nshapiro commented on A kit to design your own formaldehyde experiment? about 3 years ago

here are some design precedents we were thinking with a year ago that I just sent to Christophe (...

stevie commented on Trail Cam: Stream/ Wetland Sedimentation about 3 years ago

Hi Dwight! Have you tried to up the photos taken per day? catch anything interesting?

reversevector commented on Best NDVI Filter about 3 years ago

There can be a lot of NIR contamination in the red channel when using RGN filters, especially in ...

david_uwi commented on Simple data logger about 3 years ago

I just use my programmer to read the falsh memory when it is getting full. The clcok crystal caus...

cfastie commented on Simple data logger about 3 years ago

It seems that it might be straightforward to store arrays of data in the 32k of flash memory in a...

david_uwi commented on Simple data logger about 3 years ago

Yes it would seem that you could do it with an atmega 328 one of the timers supports the use of a...

zengirl2 commented on A kit to design your own formaldehyde experiment? about 3 years ago

@nshapiro @warren @kkoerner Interesting to think about the container's involvement with vibration...

nshapiro commented on A kit to design your own formaldehyde experiment? about 3 years ago

Thanks @kkoerner! For the air purifier, pulsing pumps are a-ok as we are not trying to move air t...

liz commented on Hack The Earth 5th edition about 3 years ago

Wow, super!!!

xose commented on Rede InfoAmazonia about 3 years ago

Hi aryachandran, the Mae d'agua measures acidity in water by power of hydrogen (pH), oxidation re...

mathew commented on Raspberry Pi problems about 3 years ago

@bkeist do you want to try troubleshooting it live? could you join next Tuesday's open call? its ...

aryachandran commented on Rede InfoAmazonia about 3 years ago

what are the different sensors which has been used for your project .....................please r...

zengirl2 commented on What makes a good activity? about 3 years ago

For those people using Public Lab software, it would be helpful to include set-up info for the ac...

zengirl2 commented on What makes a good activity? about 3 years ago

For those kits or projects using software/computers, it would be handy for people to write down b...

nedhorning commented on Improved DIY NIR camera calibration about 3 years ago

Hi sujayj - I uploaded files with the target descriptions and reflectance information to my Googl...

sujayj commented on Calibration cogitation about 3 years ago

@cfastie This is very interesting. Thank you!

sujayj commented on Improved DIY NIR camera calibration about 3 years ago

@nedhorning I have been looking to carry out calibration but was halted by the expensive costs of...

bkleist commented on UWEC air quality monitoring about 3 years ago

Unfortunately the cameras had been giving us a lot of trouble, and have not yet been deployed. Th...

xose commented on Public Lab Featured on PBS Documentary about 3 years ago

Woooow!!!!! Congrats! The first chapter makes you wanna put on the boots and get out there ;)

liz commented on What makes a good activity? about 3 years ago

As a next step, i'd like to think about how to improve/update an activity that someone figures ou...

cfastie commented on DIY spectrophotometer? about 3 years ago

I am not familiar with the optics equations. My approach would be to enable precise adjustments o...

cfastie commented on Calibration cogitation about 3 years ago

Yes, we are going to change the pixel values in our photo. For each pixel in the photo we have ta...

richardbowman commented on Sizing particles in microscope images at Portland Science Hackday about 3 years ago

Hello, "Cambridge" here (though I've actually moved now). You're right, a laser diode would cert...

sujayj commented on Calibration cogitation about 3 years ago

@cfastie This is a very informative article. However, It isn't clear what is to be done after obt...

cfastie commented on NIR to NDVI about 3 years ago

I think the Public Lab Infragram camera has a red filter, so the red channel will capture mostly ...

zengirl2 commented on Public Lab Featured on PBS Documentary about 3 years ago

It was great to watch this and I thought Public Lab and Open Street Map were awesome for Episode ...

ASD Field Spectrometer 3

by warren about 9 years ago

Filter pinwheel for multispectral sensing

by warren about 9 years ago

new USGS wetlands map

by Shannon about 9 years ago

DevelopmentSeed post on WhereCamp 2011

by warren about 9 years ago

Is blue data read first?

by warren about 9 years ago

DIY vacuum deposition for making mirrors

by warren about 9 years ago

Gulf Coast Citizen Advisory Committee

by Shannon about 9 years ago
epa

Balloon Mapping iPad app

by warren about 9 years ago

Calculating Pixel Resolution

by gonzoearth about 9 years ago





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