这是第一个基于BF533的实验操作，主要是熟悉怎么操作，对于初学者来说是很好的学习文档，里面有详细的实验原理说明及代码，后面陆续还有实验二三四-This is the first BF533-based experimental operation, mainly familiar with how to operate, for beginners is a good learning documents, which has a detailed descr iption of the ex