Khamosh Pathak Khamosh Pathak If you've ever wondered where you were last week, you can use your iPhone or iPad to view your location history. And if you use Google Maps, you can find very detailed information about your whereabouts. 如果您想知道上周在哪里,可以使用
1. Serial Type 1.1. 物理接口形式 UART接口:通用异步收发器(Universal Asynchronous Receiver/Transmitter),UART是串口收发的逻辑电路,这部分可以独立成芯片,也可以作为模块嵌入到其他芯片里,单片机.SOC.PC里都会有UART模块. **COM口:**特指台式计算机或一些电子设备上的D-SUB外形(一种连接器结构,VGA接口的连接器也是D-SUB)的串行通信口,应用了串口通信时序和RS232的逻辑电平. **USB口:**通用串