magnet:?xt=urn:btih:b7bd09a0f3fc73e8130f0433ff4f326cdda43061&xt=urn:md5:e557182a96473bcde3106d35850f314a&xl=403488&dn=qtserialport-opensource-src-5.2.1.zip&as=https://download.qt.io/new_archive/qt/5.2/5.2.1/submodules/qtserialport-opensource-src-5.2.1.zip&tr=http://bt.qt-project.org:6969/announce