pdhixenbaugh commented on Planning for a new Riffle conductivity circuit

Hello @rfdave ! I would be interested in getting this rolling! Thank you so much for providing th...

5 comments » about 1 month ago

pdhixenbaugh commented on Coqui - Kiwi kids investigate ("AKL Mini-Makers")

Thanks for this Nigel! I'm especially interested in hearing what the kids think about the limitat...

1 comments » about 1 month ago

warren commented on Call for Summer of Code 2017 proposals!

Hi, folks! I'm not going to post the list just yet, as announcements may still be getting discov...

25 comments » about 1 month ago

xose commented on Suppression of background light

Cool!! Another interesting point to have in mind is the orientation of the slit in relation to th...

3 comments » about 1 month ago

Zengirl2 commented on A kit to design your own formaldehyde experiment?

@nshapiro Wow, clearly I need to look at Kickstarter more often. I'm pretty stumped about the soi...

24 comments » about 1 month ago

jeffalk commented on Practicing a PM hotspot survey in New Auburn, WI

Nicely done @matthew. I'm sure you all had a lot of fun. A few comments: Sometimes the text says ...

5 comments » about 1 month ago

saeed957 commented on Suppression of background light

Thanks Xose, no I haven't tried but I will give it a try.

3 comments » about 1 month ago

cfastie commented on Data logger shield for Nano

Thanks Ed, It's good to know there is hope for the Nano. That's an excellent thread you linked t...

13 comments » about 1 month ago

nshapiro commented on A kit to design your own formaldehyde experiment?

sorry to blow up the comments! here is another project that doesn't use any power to increase dif...

24 comments » about 1 month ago

EdMallon commented on Data logger shield for Nano

That lack of alarm is pretty irritating considering that the 1337 has them built in, and they cou...

13 comments » about 1 month ago

rfdave commented on Planning for a new Riffle conductivity circuit

@pdhixenbaugh have you had a chance to make much progess on this? Here is a link to a circuit de...

5 comments » about 1 month ago

xose commented on Data logger shield for Nano

Amazing! I'll definitely give it a try ;)

13 comments » about 1 month ago

warren commented on Raspberry Pi problems

Hi Ben! Catching up on this now, I guess it's running #open-pipe-kit, right? How long ago was th...

4 comments » about 1 month ago

david_uwi commented on Simple data logger

Oh well. I know about everyones strange reluctance to use microchip devices, but really they do n...

6 comments » about 1 month ago

nshapiro commented on A kit to design your own formaldehyde experiment?

Also maybe we should buy and take apart one of these to see how their system works. this is more ...

24 comments » about 1 month ago

xose commented on Kite mapping Barcelona

So, yesterday we were unable to put the raspberry pi camera in the air.Our kite is tiny so we'll ...

6 comments » about 1 month ago

xose commented on Practicing a PM hotspot survey in New Auburn, WI

Woooow!! Thanks for such a great documentation!

5 comments » about 1 month ago

dswenson commented on Trail Cam: Stream/ Wetland Sedimentation

The lower seal of the camera encasement did get ~24 hours of prolonged exposure (partial submersi...

10 comments » about 1 month ago

EdMallon commented on An Arduino Based UnderWater Sensor Platform

I've developed a method to calibrate thermistors of unknown specification to something near +/- 0...

30 comments » about 1 month ago

cfastie commented on Simple data logger

It appears that storing data in flash memory on an Arduino is not so easy. The PROGMEM keyword o...

6 comments » about 1 month ago

dswenson commented on Trail Cam: Stream/ Wetland Sedimentation

Hi Stevie, I'll attach some recent sedimentation examples. We've experienced heavy rain fall an...

10 comments » about 1 month ago

kkoerner commented on A kit to design your own formaldehyde experiment?

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

24 comments » about 1 month ago

nshapiro commented on A kit to design your own formaldehyde experiment?

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

24 comments » about 1 month ago

stevie commented on Trail Cam: Stream/ Wetland Sedimentation

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

10 comments » about 1 month ago

reversevector commented on Best NDVI Filter

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

2 comments » about 1 month ago

david_uwi commented on Simple data logger

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

6 comments » about 1 month ago

nshapiro commented on A kit to design your own formaldehyde experiment?

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

24 comments » 2 months ago

liz commented on EPA's Beta C-Tools - Community Tools for Modeling Near-Road or Port Air Quality

Here's their video:

1 comments » 2 months ago

liz commented on Hack The Earth 5th edition

Wow, super!!!

1 comments » 2 months ago

xose commented on Rede InfoAmazonia

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

9 comments » 2 months ago