I've seen many temperature sensors, but the most they go up to is 125 degrees C (257 degrees F). I want to reach higher temperatures than that. I'm thinning about rigging up a closed loop sensor for my soldering iron (for a convenient LCD display), but I can't find out how to sense the temperature of the tip when it's so hot with most sensors.
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You probably want to use a thermocouple. It'll give you the ability to measure much higher temps than regular temperature sensor. You'll also need a IC like the MAX6675 to interface with it.
Page 6 of the datasheet has the serial interface protocol information and. You can really just set the Chip Select line and it'll give you 16 bits of information, 12 of which will be the temperature. |
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One of the options to measure high temperatures would be to use thermocouples. This table provides a basic description of the types and the corresponding temperatures that they can sense. A simple search led me to these components.
There is also a tutorial on Adafruit that deals with using and interfacing thermocouples.
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