add gpio led uart

hc

2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

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# Locally computed
sha256 5f42858a2062f34d2578e9cb1aed3ccb8d2409d908aa4c41a924418666d5f2bd  let-me-create-v1.5.2.tar.gz