Thermal photography
thermal-photography

Thermal infrared cameras are designed to take photos or videos of heat (not to be confused with [near infrared cameras](/wiki/multispectral-imaging)). Some of these are tuned specifically for gases, and can be used to image #methane. ## Applications Thermal imaging can be used to document heat/AC leaks from insulation gaps on a building's facade, reveal warmer ground water inflows (either fresh or chemical-laden) or "thermal pollution" from industrial processes entering ocean-temperature waterbodies, as well as identify areas on the human body experiencing infection or stress (includes epidemiological applications). Specific models of FLIR brand cameras, known as the FLIR GasFinder (http://www.flir.com/ogi/display/?id=55671). See [GasFinder](#gas+finder) below for more. Community applications so far include both a "heat-busters" program in East Harlem and a "forensic" water quality monitoring program in the [Gowanus Canal](/place/new-york-city). ## Questions [questions:thermal-photography] *** ## DIY Approaches There are three Do-It-Yourself prototypes in development to try to do this more cheaply than the off-the-shelf options. These projects were started a few years ago and may not be active: * A **[Thermal Flashlight](/wiki/thermal-flashlight)**: a RGB LED flashlight with a non-contact infrared sensor that "paints" the temperature of the surface directly on the wall for capture with a second timelapse camera. * A [Thermal Fishing Bob](/wiki/thermal-fishing-bob): dragging a thermometer through the water, taking contact measurements mapped to a RGB light, also for capture with a second timelapse camera. * A [scanning thermal camera](/wiki/scanning-thermal-camera) on a LEGO turntable (software also in development) that sweeps back and forth across a scene, recording the temperature variation to build up an image. ## Problem Why make a DIY version? "FLIR" cameras can produce images such as the one below, and are typically used to identify heat leaks, but even low-resolution FLIR cameras can cost thousands of dollars. The goal of these DIY thermal camera projects is to make this kind of investigation (and the potential savings) cheap, easy, fun, and informative for those of us without $10k in our pockets. **** ## Activities [activities:thermal-photography] ...


Author Comment Last activity Moderation
donblair "Hi Jeff -- great idea! That's how they currently do it on the mchck.org design, too. For reference, students could use the LeoStick Eagle design f..." | Read more » over 10 years ago
warren "I wonder if we could do both USB types, at least on the board? Jack, do you think adding a USB stick thing would be an interesting thing for your ..." | Read more » over 10 years ago
donblair "Thanks Jack! Great to hear re: your surface mount experience. I'm looking forward to trying it out myself. I haven't ordered a stencil -- but tha..." | Read more » over 10 years ago
warren "wow don!!! is that avr a version with built in USB? could we add a USB dongly thing like the visualight board has? " | Read more » over 10 years ago
JSummers "Hi Don, That looks really good! Did you order a stencil too? I just had my first experience soldering with paste solder and a stencil, and I was..." | Read more » over 10 years ago
warren "image broken? jack - the "diy" version is the one I have, but I dunno if that's the one theyre currently selling. but are the 4 holes we want on t..." | Read more » over 10 years ago
donblair "Hi All, Great discussion here. It sounds to me like designing the breakout board for the Visualight would be an excellent student project, and co..." | Read more » over 10 years ago
JSummers "That last comment surprised me. Turns out there are three versions of the board at the github site; The one I was looking at has four holes on 0.2"..." | Read more » over 10 years ago
warren "And indeed the eagle files also show 5 holes. The Fritzing diagram was actually just a screenshot of the Eagle board file, Photoshopped over a Frit..." | Read more » over 10 years ago
warren "It has five holes. The Fritzing diagram was a crude reproduction by me, so it's not likely to be accurate. The Eagle files are from Visualight; the..." | Read more » over 10 years ago
JSummers "Hi Jeff, I downloaded the eagle files that you can get to from the link that you reference and used the measurement tool in eagle to get the heade..." | Read more » over 10 years ago
warren "Sure, that'd be interesting. Do you think Don's are too complex? You know, I'm not sure what the spacing is on the Visualight. Do you think you co..." | Read more » over 10 years ago
JSummers "Hi Jeff, I plan to have some of my students make a few simple pcbs to introduce the eagle software and teach some quick and dirty fab methods. I ..." | Read more » over 10 years ago
kanarinka "Nice work you guys!! Was the plant running on the day that this image was taken? Since the plant has been going up and down recently It might be in..." | Read more » over 10 years ago
warren "Any way to include a temperature scale reference? " | Read more » over 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 » over 10 years ago
donblair "Awesome! FLIR-tin' with greatness, here. " | Read more » over 10 years ago
karenv "fantastic! one step closer! " | Read more » over 10 years ago
sara "awesome! Love the orange suit case. " | Read more » over 10 years ago
ajawitz "RE- Through hole kits- Interestingly enough... It appears we're not the only one's talking about an ATmega32u4-based breakout as this Kickstarter ..." | Read more » over 10 years ago
donblair "Hi! Sorry for the delayed reply -- been a bit crazy with other projects, but still excited about this! On reflection, rather than add extra power..." | Read more » over 10 years ago
ajawitz " Do you have a link to the Visualight schematics? I should check them out, as Jeff was hoping to use their more powerful LED, and we might be abl..." | Read more » over 10 years ago
donblair "Woohoo! Quick replies / queries: Do you have a link to the Visualight schematics? I should check them out, as Jeff was hoping to use their more..." | 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