@Wholt wrote:
"For the switching sequence of power supply VDD and VDDIO it is mandatory that VDD is powered on and driven to the specified level before or at the same time as VDDIO is powered ON"
Connected together is also fine , I forgot to specify.
There are no restrictions on the reset line of the BNO. If you cannot talk to teh BNO055 after reset, I suspect there might be something wrong, like not enough capacitance on VDDIO.
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