MAVELL wifi估计是市面上用的最多的，我给大家提供原理图和源代码。多多支持。SD卡通道的，当然你也可以做成TF卡。-MAVELL wifi estimate is the most widely used market, I give you to provide schematic and source code. Their support. SD cartoon Road, of course, you also can be molded into TF card.