add gpio led uart

hc

2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

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# Locally computed
sha256 cf10d8d78cb2bde4a0a21bb7e467445617b46593c093ef05f336f95a048f2d54  kodi-visualisation-waveform-v1.1.0.tar.gz