QMC5883L磁芯片开发，希望能给大家带来帮助(QMC5883L Magnetic core chip development, hoping to bring help)

gps电子罗盘智能导航，集成模式1，2寻迹避障。(GPS and electronic compass,intelligent navigation,track car and Obstacle avoidance trolley)

stm32通过模拟iic驱动qmc5883l通过spi驱动si4432 实现数据发送接收(STM32 realizes data sending and receiving by simulating IIC driving qmc5883l through SPI driving Si4432.)