Hello Thong,
1.BME AI-Studio Software As you downloaed BME AI-Studio Software and application note, it didn't have source code, but it supported to generate config file to detect coffee. HW board shoul be BME688 Development Kit.
2.BSEC_2.0 The BSEC 2.x Software is a library running on the device microcontroller to operate the BME688, to analyze the sensor data and to calculate all sensor outputs like ambient humidity, index for air quality or gas scan results. After you downloaded BSEC package, there was example code, such as iot example. You could refer the following ticket that included how to run iot example. https://community.bosch-sensortec.com/t5/MEMS-sensors-forum/BME680-with-BSEC-produces-on-0-0s-even-after-20-min/td-p/21339/page/2
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