George and Jeremy KF7IJZ are joined by Beric Dunn K6BEZ and Nick Garner N3WG to design an “idiot switch” – a micro controller device that can remove power from a soldering iron when the user leaves it turned on too long (Like Jeremy himself did with a Hakko FX-888 for 2 weeks!).
Teardown photos of the FX-888D: http://runawaybrainz.blogspot.com/2013/03/hakko-fx-888d-solder-station-hi-res.html
Teardown video of the FX-888D: https://www.youtube.com/watch?v=Gw8e74DaE9I
Teardown photos of the FX-888: http://www.eevblog.com/forum/reviews/hakko-fx-888-teardown-review/
Pinout for Pencil: http://runawaybrainz.blogspot.com/2014/08/hakko-fx888d-din-connector-pinouts.html
4 Plug Pigtail: https://www.adafruit.com/products/2935
Temp sensor: https://www.maximintegrated.com/en/products/analog/sensors-and-sensor-interface/DS18B20.html