Hi rainyboy999,
Currently the app only support U1~U4, haven't supported U5~U8. In theory, if the test environment is the same, the output from U1~U4 should be close.
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Hi JimitP,
You need to modify sampel rate from BSEC_SAMPLE_RATE_ULP toBSEC_SAMPLE_RATE_SCAN if you run reference code without any modification.
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