У вашего броузера проблема в совместимости с HTML5
The soldering iron is PENSOL-SL30CE-I. I used 12V/5A SMPS power supply and 12V-24V Step_Up converter, based on UC3843.
Schematic for Soldering Station: http://www.dodaj.rs/f/32/iT/1IeItEIe/sema.gif
Schematic for Step-Up converter: http://www.seven-segments.com/index.php?action=pageshow&id=55&idcat=41
Thanks for watching!