Comments

Author Comment Last activity Moderation
warren "They are the RGB image data pixel values, from 0-255. And note that due to image processing, noise, etc, this may not directly correspond to absorb..." | Read more » over 6 years ago
warren "So a design using the Lego Spectrometer, for example, might need a right-angle light source -- but that's not so bad, since already with fluorescen..." | Read more » over 6 years ago
warren "Hm, good point -- actually going back to an old post there's some great stuff here: https://publiclab.org/notes/donblair/08-25-2015/turbidity-001 ..." | Read more » over 6 years ago
warren "This is so cool. Please do post some of this to http://publiclab.org/post -- i'd love to share this out more, and this wiki page is a bit obscure! " | Read more » over 6 years ago
warren "Indeed -- we're hoping the basic microscope kit will create an influx of folks who go on to make openFlexure microscopes! " | Read more » over 6 years ago
warren "Wow, this is really cool. I'm thinking about how to break out some of this info into a low-power-data-logging section or something. Would it be hel..." | Read more » over 6 years ago
warren "Ah, there is! setInterval -- but the getCrossSection function is already run using this technique. Can you share a link to your code so I can help ..." | Read more » over 6 years ago
warren "Hi, @squattingdog - we've been working on an "introductory" microscope build that's an easier stepping stone to this one, which you can upgrade lat..." | Read more » over 6 years ago
warren "That's so great! Did you darken the interior or use thicker paper? Any suggestions on improving the instructions? " | Read more » over 6 years ago
warren "Ha, that's so cool, the DIY thermoelectric fan. There's also a USB cell phone charger mod! https://www.youtube.com/watch?v=2upXOb6cPLA " | Read more » over 6 years ago
warren "I'm thinking of whether the Basic Microscope Kit could be helpful: http://publiclab.org/basic-microscope and also something like this LED light: ..." | Read more » over 6 years ago
warren "Ah, ok -- do you have example images of the kinds of data you'd need to collect, and a pixel/micron resolution you're aiming for? Also, what kind ..." | Read more » over 6 years ago
warren "Agreed! And the new Basic Microscope Kit is a great low-cost way to get a microscope running -- should ultimately be under $100 for even 100x, and ..." | Read more » over 6 years ago
warren "Hi, can you fill us in a bit more on details of your interest and situation? What kinds of pathogens, and what is dry fogging? Sounds interesting! " | Read more » over 6 years ago
warren "Hello! What do you see when you try to enter a password -- can you share a screenshot? " | Read more » over 6 years ago
warren "Oh wow! These are great graphs -- maybe post a new note with them? Would you be interested in doing a short blog post about it? Happy new year! " | Read more » over 6 years ago
warren "I bet this is in reference to the papercraft spectrometer: http://publiclab.org/paper-spec But do you mean using black paper or using non black in..." | Read more » over 6 years ago
warren "Oh wow!!!! @vishal how did you collect this? Would you be willing to post more about it at http://publiclab.org/post ? " | Read more » over 6 years ago
warren "It would also be really cool to see a design adapted for the Lego Spectrometer! https://publiclab.org/wiki/lego-spectrometer " | Read more » over 6 years ago
warren "Related: How can we detect contaminants in water samples with a DIY spectrometer using reagents? https://publiclab.org/notes/warren/12-18-2017/ca..." | Read more » over 6 years ago
warren "Related: How can we detect contaminants in water samples with a DIY spectrometer using reagents? https://publiclab.org/notes/warren/12-18-2017/ca..." | Read more » over 6 years ago
warren "Looks like you can just load it as an image using this code, and insert it: var piImage = new Image(); piImage.onload = function() { ..." | Read more » over 6 years ago
warren "Broke out the idea of a USB-only connection in this question! https://publiclab.org/questions/warren/12-15-2017/how-can-we-set-up-a-raspberry-pi-ca..." | Read more » over 6 years ago
warren "I did find some links here, but haven't tried it! https://learn.adafruit.com/turning-your-raspberry-pi-zero-into-a-usb-gadget/ethernet-gadget htt..." | Read more » over 6 years ago