| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| loganw | "@stevie: The sensor is probably too noisy to actually work for methane. There's some further stuff that seems worth trying w/r/t noise reduction th..." | Read more » | almost 8 years ago | |||
| stevie | "Hi! was hearing from a number of groups in CO this week about interest in low cost methane sensing. Any updates here? " | Read more » | almost 8 years ago | |||
| mathew | "I'm also interested if the same lenses and filters could be applied to a Lepton sensor-- It's primary sensitivity is in the far infrared. It appea..." | Read more » | about 8 years ago | |||
| mathew | "I discovered the OpenMV project has a thermopile board. I can't find a lot of documentation on it, but I found this: https://openmv.io/docs/librar..." | Read more » | about 8 years ago | |||
| loganw | "Here's an update, I've received a sensor (uncalibrated, which turns out to be an issue) and read data off of it: http://exclav.es/2016/10/26/talkin..." | Read more » | about 8 years ago | |||
| imvec | "Ey @pdhixenbaugh good to hear you! The approximate cost as It's now, for version 0.1, is around 80$ depending on the Ardu (if clone or original...) " | Read more » | about 8 years ago | |||
| pdhixenbaugh | "Hey! Amazing work! What's the approximate cost of this setup? " | Read more » | about 8 years ago | |||
| mathew | "we don't have to frame the capabilities as a large leaks vs. small leaks question, I think it will be more about lighting conditions. The commerc..." | Read more » | about 8 years ago | |||
| loganw | "Cool! I was thinking about attaching a peltier cooler to it. I can't find much info on what that does to a thermopile sensor though, since they bas..." | Read more » | about 8 years ago | |||
| mathew | "I found this handy thermoelectric cooler module calculator: http://tetech.com/peltier-thermoelectric-cooler-module-calculator/ " | Read more » | about 8 years ago | |||
| mathew | "great to see these initial assumptions! and awesome work on finding both a low-cost sensor and a low-cost filter. The FLIR Lepton thermal images a..." | Read more » | about 8 years ago | |||
| reza7232 | "HI. I'm from IRAN. I want a board for convert current output of o2_a2 sensor from uA to mA . i don't access to your board in my country. because..." | Read more » | over 8 years ago | |||
| eustatic | "I support the use of the term Sniffle! Lauren Sullivan would probably agree! the battery clip will also be tres useful " | Read more » | over 8 years ago | |||
| Bob | "After 3D printing the battery clip, you may need to press the battery arms together while snapping it onto the Riffle board. I uploaded the battery..." | Read more » | over 8 years ago | |||
| cfastie | "Nice battery clip. I covered the back of my Riffle with adhesive Velcro hooks and wrapped some adhesive Velcro loops around the battery. But I migh..." | Read more » | over 8 years ago | |||
| sathvik | "HI kensanfran, I have used the TI AFE LMP91000 for 4-electrode gas sensor design with an external gain for the transimpedance amplifier. For the 4t..." | Read more » | over 8 years ago | |||
| kensanfran | "Hello, Sorry just noticed this post. I've been collecting my links and references on this DIY gas sensor calibration page of my wiki. I'm also tin..." | Read more » | over 8 years ago | |||
| pral2a | "Hi @kensanfran On the threat below you mentioned: "So another part of my exercise has been building up various DIY calibration rigs using pre-mix..." | Read more » | almost 9 years ago | |||
| kensanfran | "Hi Steve, Great, yes, and yes! Please contact me directly kensanfran at gmail, and watch this space for more info in a week or two. " | Read more » | almost 10 years ago | |||
| SteveHicks | "Ken, I'm very interested in the echem328 board. I recently bought some Alphasense gas sensors and bought the ISB board to go along with it, but yo..." | Read more » | almost 10 years ago | |||
| neilh20 | "Hi Ken, great description of all the hardware and photos !! I was wondering have you got a software interface description - whot runs over the ser..." | Read more » | about 10 years ago | |||
| kensanfran | "Hi Liz, Thanks! For the short term I'm working with Peter Sand at Manylabs, they're working on a beta Android app which can upload bluetooth data ..." | Read more » | about 10 years ago | |||
| liz | "HI Ken, I am super into this highly readable research note! Do you have any thoughts on what kind of platform would be good for hosting data from t..." | Read more » | about 10 years ago | |||
| kensanfran | "I just posted a second Research Note on this project which covers basic board information and some initial real-world field data. http://publiclab..." | Read more » | about 10 years ago |