| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| warren | "If it's helpful, this page helps with the context of "prototyping kits" to ensure people know things are "in the testing phase" -- https://publicla..." | Read more » | almost 7 years ago | |||
| Paquicamus | "If you live in USA: www.epa.gov/ground-water-and-drinking-water If you lice in Australia:https://www.nhmrc.gov.au/guidelines-publications/eh52 Mo..." | Read more » | about 7 years ago | |||
| xose | "Hi aryachandran, the Mae d'agua measures acidity in water by power of hydrogen (pH), oxidation reduction potential (ORP), water conductivity, water..." | Read more » | over 7 years ago | |||
| aryachandran | "what are the different sensors which has been used for your project .....................please reply as soon as possible , we are desperate .... " | Read more » | over 7 years ago | |||
| eustatic | "NOAA and Coast Guard made this guide "Job Aid" to observing oil slicks from the air. It's state of the art for government. OWJA 2012 Here's some ..." | Read more » | over 8 years ago | |||
| ericsonsarmento | "Olá estou iniciando trabalhos com sensores para monitoramento de qualidade de água e arduino no Pará, na região Nordeste do Pará. Moro em Castanhal..." | Read more » | about 9 years ago | |||
| vjpixel | "@mathew , sorry to take so long to answer, but the schedule of the project is late. in this page you'll find the data that we will collect and othe..." | Read more » | over 9 years ago | |||
| danbeavers | "http://www.seeedstudio.com/recipe/241-automatic-water-level-controller.html?utm_source=EDM&utm_medium=EDM&utm_campaign=EDM20150531 is anoth..." | Read more » | over 9 years ago | |||
| laurenrae | "Yeah, this is related to the "Riffling on the Riffle note." The Arduino recorded the wave for us. We just need to figure out a formula to covert ..." | Read more » | about 10 years ago | |||
| mathew | "this is based on this probe listed in scott's note, right? http://njhurst.com/electronics/watersensor/ clever design. I'm really into running the ..." | Read more » | about 10 years ago | |||
| mathew | "Continuing to use the same oscillator circuit for depth and conductivity is super awesome! I support whole heartedly. In the 555, pulse time in st..." | Read more » | about 10 years ago | |||
| danbeavers | "That is really an interesting idea to measure water height with capacitance and a 555! " | Read more » | about 10 years ago | |||
| amysoyka | "Hey there @markwh, This video explains the process quite well: http://youtu.be/kUR6_bQLU-E I use a toaster oven also - just be careful that you d..." | Read more » | about 10 years ago | |||
| EdMallon | "One of my early underwater housing designs had only three parts. A PVC endcap, a short length of pipe, and a rubber end cap. This came to about$10 ..." | Read more » | about 10 years ago | |||
| markwh | "@amysoyka, do you have a reference or a research note for this? I'm wondering how clean and simple that would be. Any specific applications to wate..." | Read more » | about 10 years ago | |||
| amysoyka | "You can melt and mould milk bottle plastic if you heat it up. " | Read more » | about 10 years ago | |||
| DavidMack | "PVC pipe works well. What are you using exactly--can you post a photo? For PVC, you can choose whatever diameter pipe you need then glue a cap on..." | Read more » | about 10 years ago | |||
| kanarinka | "Nice work! Looking forward to listening to the conductivity in class! " | Read more » | about 10 years ago | |||
| liz | "awesome! Can't wait to see your notes and pictures! " | Read more » | over 10 years ago | |||
| vjpixel | "we'll be posting here. last friday we did a hackday about water, and this week I'll be posting some notes here. " | Read more » | over 10 years ago | |||
| mathew | "Will you be posting here and/or do you have a site or mailing list where you're organizing activity, so that we can follow progress? " | Read more » | over 10 years ago | |||
| vjpixel | "we are taking to researchers to discover this. we plan to have an answer to this question until the end of September. " | Read more » | over 10 years ago | |||
| mathew | "What data are you going to be collecting? " | Read more » | over 10 years ago | |||
| jenmansta | "Hey Liz et al! Just posted my on-the-ground, survey the sludge photos from December 15th w/ the publiclaboratory tag on flickr: https://www.flickr...." | Read more » | almost 12 years ago |