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About nicatali007
since
07-19-2023
Monday
nicatali007
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Sunday
Hi everyone, I've encountered an issue with ULP mode. It appears that when the sensor does not detect any change in its readings after 15 measurements (which takes approximately 75 minutes), it enters sleep mode for an extended period. Specifically, the sensor_settings.next_call interval increases beyond 5 minutes. Is this behavior expected, or might I be missing something? Has anyone experienced a similar issue? Best regards, Nijat Aliyev
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10-24-2023
10:58 AM
BSTRobin, I am using Adafruit BME688 module. Can this be the reason? Or are these modules low power as well?
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10-22-2023
04:07 PM
Hello, I want to build an application with a BME688 sensor, BSEC library, and Fudan FM33LG048 ARM Cortex M0 microcontroller. I am using BSEC_2.4.0.0_ExampleCode. My problem is that BME688 is drawing 1.34 mA current in BME68X_OUTPUT_GAS_IAQ/BSEC_SAMPLE_RATE_ULP mode. The microcontroller without the sensor draws only several microampers. However, the sensor draws 1.34 mA (here I measure only the sensor, not the entire MCU). Therefore, I don't think that the problem is related to the microcontroller. I am using bme688_sel_33v_300s_4d. I have attached my code below. Best Regards, Nijat Aliyev
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10-19-2023
01:39 PM
Hi BSTRobin, When I have a delay of 2 seconds (2000 ms) before bme68x_get_data(); function, I get nFields = 1 (and I get THP data, gas resistance data, and everything is working). However, I get nFields = 0 (meaning that no new data), when I comment the delay function or lower it to 1500 milliseconds and below. What can be the reason for this? Do you know how I can solve it? (screenshots are attached below) Best Regards Nijat Aliyev
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