One way you can control ... and the circuit is metering out the needed quantities of heat. Here’s a video of the circuit in operation. You can see (especially at the lower temperature) how power is ...

Over the past few years a new class of soldering iron has arisen: a temperature controlled iron ... The instruction leaflet has a blow-up diagram of its internals, but it pains me to admit that ...

We’re all used to temperature ... basic soldering iron holder into which the tip of his unregulated iron fits. To the ceramic he’s fitted a thermistor, which sits in the gate bias circuit ...