555
555


Author Comment Last activity Moderation
kgradow1 "Markdown This looks really good! " | Read more » over 9 years ago
WhiteRabbit "Be mindful how temperature may affect your saline conductivity measurements, as I tried to point out in the comments here: http://publiclab.org/not..." | Read more » over 9 years ago
patcoyle "Terrific writeup and results, +1 to above comments. Excellent. " | Read more » almost 10 years ago
straylight "great workshop, really well run and I loved reading about the glitches along the way :) Now you have a prototype working, the next step would be t..." | Read more » almost 10 years ago
kanarinka "Awesome write-up guys - I can't believe how much progress was made in such a short time. I think the audio stuff has so much educational potential ..." | Read more » almost 10 years ago
kanarinka "I got the email notification @warren. So super awesome to see the progress on this " | Read more » almost 10 years ago
mathew "visualizing data is hot right now, but this is some next level $#!%-- in-situ data landscape audiolization--- its so cutting edge the spellchecker ..." | Read more » almost 10 years ago
warren "Great tone difference at around 2:26! I love the idea (discussed with @dorncox) of listening to two of these at different ends of your yard, or up ..." | Read more » almost 10 years ago
donblair "Yay! @mathew: Great! And we already have a pretty nice relevant smt board design -- coin cell powered, with an RGB led and a piezo buzzer: http..." | Read more » almost 10 years ago
warren "@dorncox and I "riffed" on this idea today in Somerville... can we call it the Riffle Cricket, maybe, referencing that cricket chirps encode the ai..." | Read more » almost 10 years ago
mathew "I've been offline for the past four days or I would have been all "THIS! THIS!" immediately. because this is awesome! soooooooooo cool. We should..." | Read more » almost 10 years ago
amysoyka "Are you using a spark labs kit? " | Read more » almost 10 years ago
warren "@kanarinka and I chatted about this idea also at PDF, including found an audio version you could leave a voicemail with at the server to submit dat..." | Read more » almost 10 years ago
warren "Wow, very cool. Does the Arduino monitor it via a light sensor? I also want to test the new callouts feature: @mathew, did you get a notification ..." | Read more » almost 10 years ago
mathew "I take it the idea is to get the red/blue flashing really fast, making a gradient red-->magenta--->blue depending on the resistance of the th..." | Read more » almost 10 years ago
mathew "WARNING: do not, under ANY CIRCUMSTANCES get distracted by searching e-bay for vintage Hygrothermographs. " | Read more » almost 10 years ago
donblair "Also: how hard would it be to rig up some sort of 'pen' that connects to a 555 and writes out a 'record' of the conductivity on some physical mediu..." | Read more » almost 10 years ago
donblair "ZOMG that's brilliant. I'm going to try to bring the materials required to do a rough prototype of this to Plymouth -- but anyway shouldn't be hard..." | Read more » almost 10 years ago
mathew "Yes, exactly! I would love to see an analog "retro edition" riffle with a microcassette recorder and a 555, maybe in a really nice Ball jar. " | Read more » almost 10 years ago
warren "Wow, i'm not sure I follow all of this, but is one potential advantage of the 555 that we could even skip the arduino entirely, if, say, we wanted ..." | Read more » almost 10 years ago
donblair "E.g. I just found this: http://wiki.openmusiclabs.com/wiki/PWMDAC And, oh gosh, this is fun: http://sensorium.github.io/Mozzi/ And: http://www.ucho..." | Read more » almost 10 years ago
donblair "Good call on the power control chip -- for the riffle-ito design, I'm just using an LDO, which should provide a relatively clean signal? But yeah,..." | Read more » almost 10 years ago
mathew "the power issues are going to be tough. Most power control chips do tricky high-speed things to push out a DC signal and the voltage isn't very cle..." | Read more » almost 10 years ago
donblair "Egads! Mat, thanks for pointing this out! I totally flubbed that one: in the 555 approach, the signal that is passing through the water is indee..." | Read more » almost 10 years ago