Ever hack or use a non-contact digital thermometer?
October 23, 2012
Something like this that runs about $18US on eBay/DX? I read an old brochure for an Androbot BOB that specified that it found humans in a room by detecting body temperature. That would be a lot more useful than a PIR sensor for finding people in Serv-O (and would make a great excuse to buy some cheap electronics and tear them up.) I'm guessing that the innards are pretty standard, either 3v3 or 5v with an analog signal somewhere out of the sensor. It would be a lot cheaper than the Parallax sensor at least. I just wonder what the range is on one of these. It says between 8:1 and 20:1 spot range, which is more about how much surface area is being measured than how far away it's effective if it's anything like my Sekonic light meter. Insights/ideas from the robot elders here would be welcome!