| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| warren | "This was a super great event. I have a draft of a followup post about LED and alcohol tests -- will post on Monday, I believe! " | Read more » | about 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 | |||
| 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 | |||
| 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 » | over 9 years ago | |||
| WhiteRabbit | "Interesting results! " | Read more » | almost 10 years ago | |||
| cfastie | "You're right, that would be a revealing test. In the example you referred to (below), the red channel should be three times more sensitive than th..." | Read more » | about 10 years ago | |||
| ttaylor | "you know, if the little color filters in Mobius cmos sensor Bayer array have the same spectral response as some of the CCD sensors I've seen around..." | Read more » | about 10 years ago | |||
| ttaylor | "Wow, that was quick. Too bad about the Mobius not doing raw. I feel like a I have decent handle on the Canons, but the Mobius is so light and po..." | Read more » | about 10 years ago | |||
| cfastie | "Tom, Maybe it would also be useful to you to have DNG images (via CHDK) from my full spectrum Canon A810? " | Read more » | about 10 years ago | |||
| cfastie | "Hi Tom, I didn't capture RAW with the S95, and the Mobius does not do RAW (although the firmware is open source, so it's possible). I could capture..." | Read more » | about 10 years ago | |||
| ttaylor | "Chris, do you have raw versions of these images I could look at? " | Read more » | about 10 years ago | |||
| mathew | "I'm matching your process from here- got to go grab the rosco filter packs from storage, but I just printed up that beautiful mount. " | Read more » | about 10 years ago | |||
| mathew | "I'm surprised at the IR passing of the Powershot. nice research. really should buy some of those NIR LEDs myself. " | Read more » | about 10 years ago | |||
| cfastie | "It's going to be 40° F on Thursday, Friday, and Saturday, so if you want to collect environmental data inside the SNOWFEST igloo, the RIFFLE might ..." | Read more » | about 10 years ago | |||
| warren | "We are now putting together an initial spectrometry oil testing kit... it'll need a lot of refinement but we really want to get moving on this. Che..." | Read more » | over 10 years ago | |||
| ajawitz | "While I don't have a VisuaLight board to test on yet (I did just order what appears to be one of the last ones on Square?) I tried connecting the I..." | Read more » | over 10 years ago | |||
| warren | "So i think those are the SDA/SCL pins marked here: I'm reading on a pinout diagram of the Arduino Uno that A4 = SDA and A5 = SCL, so here's a cr..." | Read more » | over 10 years ago | |||
| warren | "Leif sez: On the leonardo the I2C pins have separate pinouts on the board above the D13 connector. The visualight board exposes the I2C pins next ..." | Read more » | over 10 years ago | |||
| warren | "They've shipped! Anyhow, I need to ask Leif where to connect the Melexis; on an Arduino Uno you can use the Analog 4 and 5 (as shown here: http://..." | Read more » | over 10 years ago | |||
| nathanathan | "I've started experimenting with phosphorescent paint. Here's a link to a note on what I've done so far. " | Read more » | over 10 years ago |