本次设计采用的是ADXL345三轴传感器来检测当前行走的步数，ADXL345有2种通信方式，我们采用的是IIC进行数据传输 ...
Waveshare 2.13" (B & C) e-paper display SPI Waveshare 2.13" e-paper display SPI Waveshare 2.9" e-paper display (V1) SPI Waveshare 4.2" e-paper B/W display SPI ...
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