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Multiple i2c devices not recognized

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Hi All

 

I am working with a Innvense MPU-9250 IMU and a MS5611 altimeter connected via I2C. If I connect either of them up to the Galileo they are recognized and the example software works fine. If I put them daisy chain them to the I2C pins (A4/A5) the MPU9250 is recognized but not he MS5611. On a Arduino Mega their is no issue, and I have done this many times including on a Teensy 3.1.  So the question is what is the problem and what can I do to fix it.  I even ran a I2C scanner and did not see any conflicts with the MS5611 address. I have checked the connections multiple times so I dont't think that's it.  By the way they are 3.3v devices.

 

Thanks

Mike


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