Mike Doughty has posted an article showing how to add a PID temperature controller to a regular sodering iron for better performance.
Some plug-in soldering irons are adjustable. Some models have a temperature adjustment built into them and function like a light dimmer. Although better than units without any kind of temperature control, they are somewhat limited.
I was looking at PID temperature controllers and learned that they worked with K-type thermocouples. Then I started looking at K-type thermocouples and I thought that there may be a way to insert one of them inside a soldering iron and take a reading from the back of the heating element on the opposite end of the soldering tip.
Adding a PID temperature controller to a regular soldering station
ki
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