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Hi kyusanglee, Thanks for your inquiry. Before training with BME688 data, record the data for at least 30 minutes. The time of data recording needs to be determined based on changes in the target gas. For example, it is more appropriate to use 30 minutes to 1 hour to record data on baby feces in diapers, as the odor of feces can evaporate. For your application, it is necessary to consider the decay and volatilization of feces based on your actual environment to choose an appropriate measurement time. ... View more

Hi kyusanglee, Thanks for your inquiry. When you bring the magnetic material close to the board and move the magnetic material away from the board. You need to shake the board to get a normal graph . Because BHI360's built-in FMC magnetic calibration algorithm performs magnetic calibration on BMM350 based on data from gyroscope sensor. After you shake the board, the magnetic field will be recalibrated. BMM350 data before recalibration: BMM350 data after recalibration: ... View more

Hi kyusanglee, Thanks for your inquiry. 1.Developmet Desktop does not support gas detection. The official hardware and software that support gas detection are the BME688 dev kit and BME AI-Studio mobile app, you can see it from https://www.bosch-sensortec.com/media/boschsensortec/downloads/product_flyer/bst-bme688-fl001.pdf 2.Yes; 3.BME688 does not have such an option. ... View more