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OpenMarine › MacArthur HAT › How do I...? v
BME688 over i2c qwiic

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BME688 over i2c qwiic
xolotl Offline
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#1
2024-06-20, 01:36 PM
Hello everyone! Using Openplotter on a Raspi 5, I have trouble connecting this BME688 module. It seems to be the exact one as pictured in the docs. If I connect the bus is unusable in the sense that the IMU is undetected and i2cdetect is extremely slow, about 2 seconds per address. It doesn't matter if I leave the IMU connected or not. There are no other devices.

Any ideas?

[Image: BME688-Environmental-Sensor-Module-Tempe....jpg_.webp]
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Adrian Offline
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#2
2024-06-20, 05:52 PM
There's only electrical traces on the MacArthur HAT between the QWIIC connector and the Raspberry Pi, so your issue is most likely down to either your BME866 sensor board, or software configuration. Do you have another I2C board you could test with?
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xolotl Offline
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#3
2024-06-20, 06:39 PM
(2024-06-20, 05:52 PM)Adrian Wrote: There's only electrical traces on the MacArthur HAT between the QWIIC connector and the Raspberry Pi, so your issue is most likely down to either your BME866 sensor board, or software configuration. Do you have another I2C board you could test with?

Thanks, good to know there is nothing I need to consider outside of the Raspberry. I tried another version of the same board, it had the same behavior. I will do some tests with an Arduino Smile
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