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Drswith avatar Drswith commented on June 13, 2024 3

是电路设计问题，
问题一：电路图控制I2C地址的AD0引脚虽然接地了但是没有加下拉电阻，导致电压浮空，使用0x69地址可解决，但是也不稳定，终极办法就是AD0飞线个10k下拉电阻到GND
问题二：MPU的I2C没有接上拉电阻，容易被信号干扰，解决办法一样是SCL、SDA分别飞线4.7K电阻到VCC

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CodeChenL avatar CodeChenL commented on June 13, 2024 2

这个问题我也遇到了，可以找到Wrie.h这个文件，在开头添加#define CONFIG_DISABLE_HAL_LOCKS true宏定义就行了

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hanchuangqj avatar hanchuangqj commented on June 13, 2024

IMG_20220601_180649.jpg
我也遇到了

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oYuXo avatar oYuXo commented on June 13, 2024

对比ad源文件发现Gerber文件中mpu6050 9、10、11引脚侧的地孔缺失了，直接用Gerber文件打板出来，会导致AD0浮空，我怀疑是这个原因导致初始化失败的
e136fb82cbdba76e14c7c86e45bc65e

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