Hmmmm. Adding one of these to the printhead and measure the temp of extruded

3D Printing
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Hmmmm. Adding one of these to the printhead and measure the temp of extruded material/heatbed? Could make prints better. http://learn.adafruit.com/using-melexis-mlx90614-non-contact-sensors

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I’ve used these thermopiles at work before. Non contact thermal measurement is much harder to get accurate results than contact measurements like thermistors and thermocouples. You are at the mercy of emissivity and solid angles