| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| cfastie | "I am really impressed with the new tutorial. Thanks for that great effort. This definitely lowers the barrier for me to try this. I just dove into ..." | Read more » | over 8 years ago | |||
| EdMallon | "One of my high school teacher friends mentioned that he wanted add Arduino based projects to his science classroom, but after I posted those DIY gu..." | Read more » | over 8 years ago | |||
| warren | "These look good too, and come with a spectrum datasheet: http://www.ledgroupbuy.com/solderless-true-violet-led-405nm/ " | Read more » | over 8 years ago | |||
| warren | "Powered on one of these, with a dial: http://www.watterott.com/de/Wattuino-Nanite85?x56e76=f63b1cee028854c06b93338f2945a806 " | Read more » | over 8 years ago | |||
| warren | "Here's the big list of UV LEDs below 405 nm " | Read more » | over 8 years ago | |||
| warren | "Crap, those are only in quantities of 400+ or 1000+. I'll keep looking. " | Read more » | over 8 years ago | |||
| warren | "@tonyc @ygstcu - looking at higher powered LEDs, I've found: ~$4.40: http://www.digikey.com/product-detail/en/VLMU3500-385-060/VLMU3500-385-060TR-..." | Read more » | over 8 years ago | |||
| EdMallon | "It's been on my to-do list for ages, but I finally got around to posting the build tutorials for the basic 3 component data logger based on Promini..." | Read more » | over 8 years ago | |||
| EdMallon | "Just back from our recent fieldwork, and we've had great success with the DS18b20 temperature strings that we deployed back in March. http://edwar..." | Read more » | almost 9 years ago | |||
| EdMallon | "Hi again everybody. I finally got around to posting the Cave Pearl Project on Hackaday, and realized that it turned out to be a pretty concise sum..." | Read more » | almost 9 years ago | |||
| warren | "@ygzstc - pointing you at this note since you've ordered some very bright UV LEDs. Oops, missed your comment mathew - we'll have to try that, thou..." | Read more » | almost 9 years ago | |||
| gpenzo | "Any update on your sensor setup? " | Read more » | about 9 years ago | |||
| EdMallon | "This thread was part of my inspiration to build a few long strings of DS18B20 sensors: http://edwardmallon.wordpress.com/2015/03/01/using-ds18b20-..." | Read more » | about 9 years ago | |||
| EdMallon | "Hi Everyone Just thought I should post a progress update on the Cave Pearl Project. We finished off 2014 with a challenging field trip that had so..." | Read more » | over 9 years ago | |||
| EdMallon | "It's been a while so I thought I would post a project update to Public Lab 1) We had another successful fieldwork season, marking the deployment o..." | Read more » | over 9 years ago | |||
| mathew | "What happens if you unscrew the lens on the laser and put it in front of the LED? can you concentrate the light to make a brighter point? " | Read more » | almost 10 years ago | |||
| balrog | "In short yes, I think your price estimates are good and opensource can beat this. It will be challenging running an Arduino for a year on a coin c..." | Read more » | almost 10 years ago | |||
| cfastie | "Apparently Onset manufactures HOBOs to be NIST traceable, but they charge more money for units that pass a calibration test. Jeremy buys the less e..." | Read more » | almost 10 years ago | |||
| gpenzo | "Rs485 can be used. Only 3 lines and 31 slaves with max 4000ft distance. " | Read more » | almost 10 years ago | |||
| amysoyka | "Would either of these help? https://www.spark.io/ http://www.digi.com/xbee/ " | Read more » | almost 10 years ago | |||
| mathew | "@btbonval is probably right, the best short-term solution is to try to read the IR serial signal coming off of the HOBO devices. That seems to be ..." | Read more » | almost 10 years ago | |||
| btbonval | "Yeah the old HOBOs weren't very rugged, but that one in the image was one I remember using. There are definitely temperature range issues with a l..." | Read more » | almost 10 years ago | |||
| cfastie | "Bryan, maybe this is what you remember. We deployed a bunch of these in the tundra 15 years ago: . They don't seem that rugged to me. I wonder if..." | Read more » | almost 10 years ago | |||
| btbonval | "Oh man, HOBOs. It's been awhile since I've had to use HOBO dataloggers. It sucks that they use a proprietary format. "Open source" refers to softw..." | Read more » | almost 10 years ago |