HI cb1, Thanks for your reply. I'm moving the project from the STM32F4 to the launchpad is that the motion driver demo, which is provided by the InvenSense, is developed at the STM32F4 discovery board, but we want to use the launchpad as our fusion chip. Currently only the mpu9250 module is connected to the launchpad via 10cm Dupont wires, no motors, no other sensors, the power source for the mpu9250 is the 3.3 volts pin at the launchpad.
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