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针对HMR3300电子罗盘的应用,介绍了HMR3300的特性及其与ARM系统组合的使用方法,对其接口硬件电路及姿态数据读取程序进行了设计,并搭建了硬件平台进行了相关实验。证明本系统能可靠地提供有效的系统姿态数据,并具有能耗低、性价比高、实现简便等特点。
For the application of HMR3300 electronic compass, the characteristic of HMR3300 and its using method with ARM system are introduced. The interface hardware circuit and gesture data reading program are designed, and the hardware platform is set up to carry out experiments. This system proves that the system can provide effective system attitude data reliably and has the characteristics of low energy consumption, high cost performance and easy realization.