Figure 1 Feedback from the soldering iron's PTC temperature sensor controls the on-time vs the off-time of M2 to regulate the iron's temperature to the selected value. Most parts are not critical. A ...

The latest to arrive is a soldering iron. The CXG E90W is a 90W mains-powered temperature controlled iron with its control ... Being a cheapskate does anyone have a circuit diagram for it ...

Over the past few years a new class of soldering iron has arisen: a temperature controlled iron no longer tied to a bulky mains-powered base station, but using low-voltage DC power and with all ele… ...