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change fire MPU6886 and fix some bug
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@@ -116,13 +116,23 @@ Supported development platforms and program languages: Arduino, Blockly language
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<tr><td>IP5306</td><td>SCL</td><td>SDA</td><td>5V</td><td>GND</td></tr>
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</table>
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**9-Axis Posture Sensor MPU9250**
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*I2C address 0x68*
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**6-Axis MotionTracking Sensor MPU6886**
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*MPU6886 I2C address 0x68*
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<table>
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<tr><td>ESP32 Chip</td><td>GPIO22</td><td>GPIO21</td><td>5V</td><td>GND</td></tr>
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<tr><td>MPU9250</td><td>SCL</td><td>SDA</td><td>5V</td><td>GND</td></tr>
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<tr><td>MPU6886</td><td>SCL</td><td>SDA</td><td>5V</td><td>GND</td></tr>
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</table>
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**3-Axis Geomagnetic Sensor BMM150**
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*BMM150 I2C address 0x10*
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<table>
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<tr><td>ESP32 Chip</td><td>GPIO22</td><td>GPIO21</td><td>5V</td><td>GND</td></tr>
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<tr><td>BMM150</td><td>SCL</td><td>SDA</td><td>5V</td><td>GND</td></tr>
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</table>
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## PARAMETER
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@@ -210,7 +220,7 @@ For more information about Pin assignment and Pin Remapping, Please refer to EPS
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## Learn
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- **datasheet** - [ESP32](https://www.espressif.com/sites/default/files/documentation/esp32_datasheet_cn.pdf) - [MPU9250](https://www.invensense.com/download-pdf/mpu-9250-datasheet/)
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- **datasheet** - [ESP32](https://www.espressif.com/sites/default/files/documentation/esp32_datasheet_cn.pdf) - [MPU6886](https://github.com/m5stack/M5-Schematic/blob/master/datasheet/MPU-6886-000193%2Bv1.1_GHIC.PDF.pdf) - [BMM150](http://pdf1.alldatasheet.com/datasheet-pdf/view/608913/ETC2/BMM150.html)
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- **datasheet** - [IP5306](https://github.com/m5stack/M5-Schematic/blob/master/Core/IIC_IP5306_REG_V1.4.pdf)
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@@ -10,7 +10,7 @@
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## 描述
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**M5Stack GRAY Kit** 是M5Stack开发套件系列中的一款,进阶型的开发套件.它作为Basic套件的升级版,在硬件上提供了更大的 PSRAM 内存,并且集成了 IMU 传感器 MPU9250 .无论是作为入门或是进阶, Gray 套件都是一个非常不错的选择.
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**M5Stack GRAY Kit** 是M5Stack开发套件系列中的一款,进阶型的开发套件.它作为Basic套件的升级版,在硬件上提供了更大的 PSRAM 内存,并且集成传感器 MPU6886+BMM150 .无论是作为入门或是进阶, Gray 套件都是一个非常不错的选择.
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我们可以在很多的应用场景中使用IMU姿态传感器用作:检测加速度、角度、轨迹延伸等数据.根据这些去制作出相关的产品,如运动数据采集器,3D远程手势控制器等.
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@@ -29,7 +29,7 @@
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- USB Type-C
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- 基于ESP32开发
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- 16 MByte flash
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- MPU9250
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- MPU6886+BMM150
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- 扬声器,按键x3,LCD屏幕(320 * 240),电源/复位按键x1
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- 2.4G天线:Proant 440
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- TF卡插槽(最大可拓展16GB)
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@@ -100,13 +100,22 @@
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<tr><td>IP5306</td><td>SCL</td><td>SDA</td><td>5V</td><td>GND</td></tr>
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</table>
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**九轴姿态传感器 MPU9250**
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**6轴姿态传感器 MPU6886**
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*I2C 地址为 0x68*
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*MPU6886 I2C 地址为 0x68*
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<table>
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<tr><td>ESP32 Chip</td><td>GPIO22</td><td>GPIO21</td><td>5V</td><td>GND</td></tr>
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<tr><td>MPU9250</td><td>SCL</td><td>SDA</td><td>5V</td><td>GND</td></tr>
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<tr><td>MPU6886</td><td>SCL</td><td>SDA</td><td>5V</td><td>GND</td></tr>
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</table>
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**3轴磁力计 BMM150**
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*BMM150 I2C 地址为 0x10*
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<table>
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<tr><td>ESP32 Chip</td><td>GPIO22</td><td>GPIO21</td><td>5V</td><td>GND</td></tr>
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<tr><td>BMM150</td><td>SCL</td><td>SDA</td><td>5V</td><td>GND</td></tr>
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</table>
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## 参数
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@@ -193,7 +202,8 @@
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## 相关链接
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- **数据手册** - [ESP32](https://www.espressif.com/sites/default/files/documentation/esp32_datasheet_cn.pdf) - [MPU9250](https://www.invensense.com/wp-content/uploads/2015/02/PS-MPU-9250A-01-v1.1.pdf)
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- **数据手册** - [ESP32](https://www.espressif.com/sites/default/files/documentation/esp32_datasheet_cn.pdf) - [MPU6886](https://github.com/m5stack/M5-Schematic/blob/master/datasheet/MPU-6886-000193%2Bv1.1_GHIC.PDF.pdf) - [BMM150](http://pdf1.alldatasheet.com/datasheet-pdf/view/608913/ETC2/BMM150.html)
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- **寄存器手册** - [IP5306](https://github.com/m5stack/M5-Schematic/blob/master/Core/IIC_IP5306_REG_V1.4.pdf)
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@@ -131,7 +131,7 @@ Kendryte K210 是集成机器视觉与机器听觉能力的系统级芯片 (SoC)
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- 喀嗒声抑制电路
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#### 1.4 AXP192
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- 工作电压: 2.9V~6.3V (AMR:-0.3V~15V)
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- 工作电压: 2.9V - 6.3V(AMR:-0.3V~15V)
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- 可配置的智能电源选择系统
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- 自适应USB或AC适配器输入的电流和电压限制
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- 内部理想二极管的电阻低于100mΩ
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