28 Jan '15, 9am

Long Exposure Thermal Photography

Long Exposure Thermal Photography

For apparently inexplicable reasons, the price of thermal imaging cameras has been dropping precipitously over the last few years, but there are still cool things you can do with infrared temperature sensors . A few years ago – and while he was still writing for us – [Jeremy] came across an absurdly clever thermal imaging camera . Instead of expensive silicon, this thermal camera uses a flashlight with an RGB LED, a cheap IR temperature sensor, and a camera set up to take long exposures. By shining this flashlight/IR sensor around a dark room, a camera with a wide-open shutter can record color-coded thermal images of just about anything. Since then, an interesting product appeared on the market. It’s the Black & Decker TLD100 Thermal Leak Detector , and it’s basically an infrared thermometer and LED flashlight stuffed into one neat package. In other words, it’s the exact s...

Full article: http://hackaday.com/2015/01/28/long-exposure-thermal-phot...

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