water-monitoring
water-monitoring


Author Comment Last activity Moderation
Slavik "Looking for affordable alternative of http://store.vstapps.com/collections/frontpage/products/vst-lab-cof-esp-iii-refractometer " | Read more » over 8 years ago
mathew "I wish I had brands to list, but yes, we've seen commercial probes using small (0-80) screws as their probes. " | Read more » over 8 years ago
pdhixenbaugh "What will be the long term corrosive effects of current and salt water on our stainless steel screws? I think we've seen stainless steel probes on ..." | Read more » over 8 years ago
warren "large yogurt container Love this idea for standardization; used yogurt containers pile up quickly in my house. Or a mason jar! I'd guess material ..." | Read more » almost 9 years ago
donblair "Hah, just saw that @mathew posted a link I was reading this morning, but forgot to include: http://www.electroschematics.com/6923/555-low-voltage-..." | Read more » almost 9 years ago
EdMallon "@ cfastie: To be honest I probably would have started with Geir Andersen's shield to if I had known about it back at the beginning of my project. A..." | Read more » almost 9 years ago
donblair "Oh gosh -- Chris, thanks for tagging me in this thread -- I had no idea that this existed! Wow, Ed -- what amazing work you've been doing!! It's ..." | Read more » almost 9 years ago
cfastie "Thanks for the tip about cheaper SD card modules and RTC modules. I see now how you made your pro-mini logger for $13.00. One of those sensors I l..." | Read more » almost 9 years ago
EdMallon "Not sure about that Arduino clone, as I don't know about the chips it's using. But for less than 4 bucks just try it and see. Just don't expect the..." | Read more » almost 9 years ago
cfastie "I am really impressed with the new tutorial. Thanks for that great effort. This definitely lowers the barrier for me to try this. I just dove into ..." | Read more » almost 9 years ago
EdMallon "One of my high school teacher friends mentioned that he wanted add Arduino based projects to his science classroom, but after I posted those DIY gu..." | Read more » almost 9 years ago
lbarcelo "How did you resolve these issues? " | Read more » almost 9 years ago
EdMallon "It's been on my to-do list for ages, but I finally got around to posting the build tutorials for the basic 3 component data logger based on Promini..." | Read more » about 9 years ago
EdMallon "Just back from our recent fieldwork, and we've had great success with the DS18b20 temperature strings that we deployed back in March. http://edwar..." | Read more » about 9 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 » about 9 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 » about 9 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 » about 9 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 » about 9 years ago
QMTphysicist "Hi Suiris, it good to see how filtering the tap water works. How do you take transmittance measurements using spectralworkbench? I am looking into ..." | Read more » over 9 years ago
EdMallon "Hi again everybody. I finally got around to posting the Cave Pearl Project on Hackaday, and realized that it turned out to be a pretty concise sum..." | Read more » over 9 years ago
EdMallon "Hi Everyone Just thought I should post a progress update on the Cave Pearl Project. We finished off 2014 with a challenging field trip that had so..." | Read more » almost 10 years ago
EdMallon "It's been a while so I thought I would post a project update to Public Lab 1) We had another successful fieldwork season, marking the deployment o..." | Read more » about 10 years ago
WhiteRabbit "Also, FWIW, not all stainless steels are the same. For instance, 316 SS is more resistant to corrosion than 304. " | Read more » over 10 years ago
donblair "I will be attending! " | Read more » over 10 years ago