difficulty:easy
difficulty:easy


Author Comment Last activity Moderation
warren "Great build photos - I've added the upgrade:dssk tag to indicate to people that this is an upgrade that can work on the desktop spectrometer, and t..." | Read more » about 8 years ago
stoft "Jeff...Actually, looking at the 'Unreinforced' 'Green' peak wavelength shift, the span is 537-549nm (the same peak in the 'reinforced' version is 5..." | Read more » about 8 years ago
warren "Just wanted to ping in here we did some stress tests last week based on the proposed tests @stoft made, and they're quite dramatic -- a 4-5nm shift..." | Read more » about 8 years ago
donblair "Hallo! I haven't had great luck with Digikey shopping carts sticking around, so it might be better to put direct links to parts in e.g. a wiki ......" | Read more » about 8 years ago
kanarinka "I'm actually not sure about this - @donblair - do you know the answer? " | Read more » about 8 years ago
warren "warren awards a barnstar to nshapiro for their awesome contribution! " | Read more » about 8 years ago
warren "I think this is great. I'd mentioned to @liz but the question How can i know if my plant-based air filter is working? is great, and I think it'd be..." | Read more » about 8 years ago
warren "Hi, this is excellent, thanks! Would you be willing to post it as a "replication" using the button above: Document your attempt to build this ? Tha..." | Read more » about 8 years ago
stef "@warren This shows a metal 1/4-20 metal adapter for a tripod mount also addition of the rear 1.5X2 bulkhead with an indicator power on lead for t..." | Read more » about 8 years ago
mathew "This note per @liz's request " | Read more » about 8 years ago
warren "Wow, that's really cool. Would you be able to post some pictures of your stability upgrade as a response by clicking the button on the bottom of th..." | Read more » about 8 years ago
stef "@warren I have used an automotive type flat black rust paint which is available locally and comes as a spray can application or in a 237ml can for ..." | Read more » about 8 years ago
warren "Looking at ways to get more people to replicate this in an upcoming PL event in Somerville, possibly using this template to photo document on paper..." | Read more » about 8 years ago
warren "Hi, Dave - can you link the words "The PLab 3.0 spectrometer" to https://publiclab.org/wiki/desktop-spectrometry-kit-3-0, to lead people back to th..." | Read more » about 8 years ago
warren "Posted the build! Still need to take a spectrum and upload, but looking pretty good so far. " | Read more » about 8 years ago
warren "@stoft has proposed a set of tests and thresholds for different rigidity"standards" of sorts, here: https://publiclab.org/notes/stoft/09-15-2016/wh..." | Read more » about 8 years ago
warren "I like this idea -- you're right, even 1/2 oz would be plenty. Abdul, what do you think about that as an assembly step? Would one of those "push to..." | Read more » about 8 years ago
pdhixenbaugh "I'm intrigued by the speaker resistance - can that be measured with a multimeter - and what are the rules of thumb for not burning out the timer? " | Read more » about 8 years ago
kanarinka "Thanks @warren! @kgradow1 - this is a great suggestion for improvement as I've also had that happen. How about @akshaya and I will make a digikey s..." | Read more » about 8 years ago
kgradow1 "This is a great overview! One suggested edit: Include an explanation of how component variability might impact the circuit. I've tried to build th..." | Read more » about 8 years ago
warren "Hi, I reposted this from https://publiclab.org/wiki/coqui-a-simple-water-conductivity-sensor -- to make it into an activity that can be featured in..." | Read more » about 8 years ago
stoft "@abdul, I'd not consider superglue because of it's negative properties for human skin -- a safety hazard. Remember, the kits are sold for education..." | Read more » about 8 years ago
warren "Thanks, Dave -- I did a degree in architecture and so spent many a sleepless night gluing wood things together -- and I agree that not all glue is ..." | Read more » about 8 years ago
abdul "Would superglue be acceptable? The justification of superglue is outlined below: -It dries quickly -It comes already in small containers -It is..." | Read more » about 8 years ago