电子工程专辑

UART、I2C、SPI、TTL、RS232、RS422、RS485、CAN、USB、SD卡、1-WIRE、Ethernet

在单片机开发中，UART、I2C、RS485等普遍在用，对它们的认识可能模棱两可，本文把它们整理了一下。本文较长，阅读时间大约10分钟。 UART通用异步收发器 UART口指的是一种物理接口形式(硬件)。 UART是异步，全双工串口总线。它比同步串口复杂很多。有两根线，一 ...
电子工程专辑

UART、I2C、SPI、TTL、RS232、RS422、RS485、CAN、USB、SD卡、1-WIRE、Ethernet

UART、I2C、RS485……这些通信虽然都普遍在用，但解释起来也是模棱两可，觉得有必要整理一下，目的是巩固和区分。文章有点 ...
新浪网

串口、COM口、UART口, TTL、RS-232、RS-485有啥区别

调试时总是会遇到各种各样的接口，各种各样的转换板，似懂非懂的感觉很不爽! 本文引用地址： 首先，串口、UART口、COM口、USB口是指的物理接口形式(硬件)。而TTL、RS-232、RS-485是指的电平标准(电信号)。 串口：串口是一个泛称，UART，TTL，RS232，RS485都遵循类似 ...
新浪网

绿联USB转RS232串口线PL2303数据线促销中

绿联USB转RS232串口线，九针打印机PL2303通讯数据线，工业级DB9公头母头接口，1米长度，USB公转RS232公（螺杆-圆线款），适用于各种设备连接和串口通信需求，稳定可靠，品质出众现在该商品正在促销，满1件即可享受8折优惠，叠加国家补贴85折起，直减599元，原价 ...
Ars Technica

Does anyone know of a USB > RS232 adapter that DOESN'T suck under Win7/64?

In my line of work I use serial on a near daily basis. Currently, I have 3 different USB>Serial cables; an IO Gear GUC232A, a Cables to Go (Prolific PL2302 chipset) and a older Radio Shack cable (with ...
Ars Technica

USB serial number from RS232 adapter (python/linux)

I have a bunch of serial devices that I need to communicate with. Some of them are connected to native serial ports, and some have USB->RS232 adapters. I am communicating to them via the serial port ...
EDN

Part 2 of the USB to RS232 Serial Converter

Over the last two weeks I published an article reference the USB to serial converter see Project Usb to serial converter http://edn.com/project/mark_harrington/usb-to ...
Hackaday

DB9 Form Factor USB-RS232 Replacement

If you’re attached to that favorite DB-9 interfaced device you should look into this part. FTDI is selling a USB-RS232 adapter as a replacement for DB-9 connectors. They come with USB male or female ...