Hi sullivanmj,
You can ask your supplier to check if they are providing you with BHI260AB or BHI260AP. BHI260AB and BHI260AP use different firmware and are not compatible. If you use BHI260AB, you can use the earlier version of the firmware. For example: "V1.3.0\BHY2-Sensor-API-master\firmware\bhi260ab".
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