question:question
question:question


Author Comment Last activity Moderation
stevie "That's neat! Thanks for the offer. I think I got most of my questions answered on that website. But I have another questions for her if you happen ..." | Read more » about 5 years ago
stevie "I ordered a couple of these, they seem pretty intuitive. This website has a good bit of information on it in terms of the kits, and radon in genera..." | Read more » about 5 years ago
warren "thanks, Chris, i haven't seen any LEDs burn out yet, and we've been running them for weeks in some cases. If they do, i'll definitely add in a resi..." | Read more » about 5 years ago
warren " Actually i just found if you force in the white connector on the side of the sensor, it's often the loose part and you can get the light to turn r..." | Read more » about 5 years ago
cfastie "According to the link at your wiki the RGB LEDs are rated for 2 to 3.2 volts. Your instructions for connecting the LED indicate connecting the LED ..." | Read more » about 5 years ago
warren " The #simple-air-sensor is supposed to show red-yellow-green, but I've seen them turn white when malfunctioning. Try unplugging it and plug it back..." | Read more » about 5 years ago
Ag8n " You can buy the instruments with a microprocessor attached. All you have to do is take a syringe, put the liquid in the glass tube, and it will r..." | Read more » over 5 years ago
Bronwen " Oh wow, thanks! This is really helpful, I'll look into the tuning fork method. " | Read more » over 5 years ago
Ag8n " The reason multimeters aren't used for measuring the resistance of a solution is polarization. It's a fancy word, but by passing direct current t..." | Read more » over 5 years ago
joyofsoy " Twitter user @RosaAriasAlv sent us this response to the Public Lab tweet: For sure we are! We are developing an inclusive #citizenscience methodo..." | Read more » over 5 years ago
Bronwen " You can see a little more about the copper corrosion tests on the Methods Page for the Copper Pipe Method, (there are supplies to experiment with ..." | Read more » over 5 years ago
Ag8n " There are plenty of ways to monitor it. Most importantly of them are expensive. The sulfur smell was probably hydrogen sulfide. There are some d..." | Read more » over 5 years ago
scotttees " I smell a sulphur kind of smell outside my house maybe 1x per month. I’d love to figure out what it is / monitor it. " | Read more » over 5 years ago
Ag8n " If you can afford it, you can take air samples and then later inject them into a gas chromatograph/mass spectrometer (GC/MS). Couple that with a ..." | Read more » over 5 years ago
eustatic "https://www.biocycle.net/2014/02/21/the-compost-odor-wheel/ " | Read more » over 5 years ago
eustatic " you mean, besides the odor wheel? http://www.fivesenses.com/Documents/Library/33%20%20Odor%20Basics.pdf " | Read more » over 5 years ago
briwilgre "Hi @bronwen. Thanks for the info. I'm not currently working with any of the microscopes, but am interested in the 3D side of things. Would you be a..." | Read more » over 5 years ago
Bronwen " Hi @briwilgre Thanks for offering! I don't think we've got an urgent need for more of this particular part as such-- we've been working with a dif..." | Read more » over 5 years ago
stevie " Hi!! Thanks for offering. I'm not right now but @Bronwen do you all need these still. Best! " | Read more » over 5 years ago
briwilgre " @stevie and @samtechzonex Are you still looking for help on this? I can modify stl files and 3d print them. " | Read more » over 5 years ago
samtechzonex "I am also looking for the same inform me too if you found anyone thank you " | Read more » over 5 years ago
warren "Hi Alahna! I posted a related question here a while back: https://publiclab.org/questions/warren/09-08-2017/how-do-you-merge-gps-logger-data-into-..." | Read more » over 5 years ago
cfastie "That's too bad about the proprietary Mapir calibration. Is there information about the spectral reflectivity of the calibration targets? If not, th..." | Read more » almost 6 years ago
mrodriguezorejuela "@cfastie Thanks for your detailed explanation, that helped a ton! I do have the calibration targets from Mapir, unfortunately I need to assemble ou..." | Read more » almost 6 years ago