基于stm32的jpeg图片压缩代码，并且通过串口输出-The stm32-based jpeg image compression code, and output through the serial port

STM32功能实现的一些测试代码，uart,i2c,adc-Some test code STM32 features implemented, uart, i2c, adc

基于51单片机和STM32的LSM303电子罗盘，读取航角值和X,Y,Z轴测试代码-Based on 51 single chip microcomputer STM32 LSM303 electronic compass, and read to Angle values and X, Y, Z axis test code