29 Oct '16, 12pm

EE Tip: Measure temp with a soldering iron.

EE Tip: Measure temp with a soldering iron.

There are many applications that involve the conversion of electric current into heat by means of a heating element with some degree of temperature control. Hot water boilers, kettles, and irons are typical examples. In this article, I’ll explain how you can eliminate the need for a temperature sensor by using the heating element itself to accurately measure temperature. The finished soldering station. Think of it as a heating element turned temperature sensor. I appreciate that electronics enthusiasts don’t necessarily want to read about cooking and ironing. So, I’ll describe a device you might be more comfortable thinking about: a soldering iron. All of the aforementioned appliances and tools have one important thing in common that makes them different from, say, a hair dryer. Any thoughts? The important common factor is that the thermal resistance between the heating el...

Full article: http://circuitcellar.com/cc-blog/how-to-measure-temperatu...

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