ADXL345 是一个小型的超低功耗，三轴加速度计，数字输出型，可通过SPI或IIC总线读取芯片数据，通过三个方向的加速度值可以计算出倾斜角度，具有中断输出和平衡位置偏移校准功能。(ADXL345 is a small, low power consumption, three-axis accelerometer, digital output type, can be read through the SPI or IIC bus chip data, through the three directions of the acceleration value can be calculated Angle, with functions of interrupt output and the equilibrium position offset calibration.)