# water-sensing water-sensing

Author Comment Last activity Moderation
mathew "Todd D Robbins brought this up on the public lab list a few days ago. here's his comment: I'm not sure if this project has been discussed here pre..." | Read more » over 7 years ago
dbuscombe-usgs "You might be interested in an open-source software project I have started for analysis of imagery from the Humminbird low-cost sidescan sonar. htt..." | Read more » over 7 years ago
cmnetto "I'm in the process of building an autonomous boat and came across this blog. The author is using an Intelliducer from Garmin, which is around $200...." | Read more » almost 8 years ago mathew "My search was really quick, the terms I used were "DIY sidescan fish finder." a little deeper digging found that the hummingbird forum has a bunch ..." | Read more » almost 8 years ago wward1400 "The one from Society of Robots right here from 2006. Better than the retail & academic search I started with, I'm impressed you found a forum f..." | Read more » almost 8 years ago mathew "seems like there's some interest, though I don't see any movement, in the AUV crowd: http://www.societyofrobots.com/robotforum/index.php?topic=158...." | Read more » almost 8 years ago mathew "this is excellent! " | Read more » almost 8 years ago MelissaN "Love the podcast idea (with proper mics!). " | Read more » almost 8 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 » almost 8 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 » almost 8 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 » almost 8 years ago danbeavers "That is really an interesting idea to measure water height with capacitance and a 555! " | Read more » almost 8 years ago laurenrae "Note - if you tried to watch this and the video isn't working, check back in an hour. I have to go to class so I didn't have time to wait for it t..." | Read more » almost 8 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 » almost 8 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 » almost 8 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 » almost 8 years ago
eustatic "you'll have to go to this page http://publiclab.org/wiki/openhour https://plus.google.com/hangouts/_/hoaevent/AP36tYdC7VxpO34z63yzgd0O8kDTPcG7zNV..." | Read more » almost 8 years ago
JFlem "I will be attending! " | Read more » almost 8 years ago
amysoyka "You can melt and mould milk bottle plastic if you heat it up. " | Read more » almost 8 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 » almost 8 years ago
amysoyka "I've been waiting for the schematics of this to be released this for aaages... It looks awesome!...when is public labs going to start selling them? " | Read more » about 8 years ago
JSummers "Hi Doug, I am still not entirely clear on what it is that you ultimately want to do. I understand that you wish to prepare a PbO2 surface on graph..." | Read more » over 8 years ago
Nitrous "Thanks Jack, In its simplest form, I need to set a voltage (2.2v) and keep it there for an extended period of time but in more elegant forms, being..." | Read more » over 8 years ago
JSummers "Hi Doug, I am not sure what kind of multi-potential steps you would want to do. Right now we can do a number of voltage profiles, including voltag..." | Read more » over 8 years ago