STM32F411系列的代码。通过IIC和串口实现对三轴加速度计ADXL345数据的采集。同时通过对串口输入1接收所采集的数据，输入0停止。(This is a code for stm32f411 to control the transimition and receiviation of data.)

MiniFly四轴飞行器固件1.1源码：包括STM32F411源码和STM32F103源码(MiniFly Four axis aircraft firmware 1.1 source code Include STM32F411 source code and STM32F103 source code)