add gpio led uart

hc

2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

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[Desktop Entry]
Name=QT5 Launch Demo
Exec=/usr/bin/qt5/qmlscene /usr/share/qt5launchdemo-1.0/main_lofi.qml
Icon=qt5launchdemo
Terminal=false
Type=Application
X-MB-SingleInstance=true
Comment=QT5 Launch Demo
StartupNotify=false