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 ...
原标题:终于有人把常用的三种通讯方式:RS485、RS232、RS422讲明白了 来源:DTECH帝特 我们都知道,在一般情况下我们会使用串口进行通讯,但是这种串口只适合连接2个设备之间,因此存在很多不方便之处(比如我们进行一对多的通讯),制约了串行数据的收发 ...
前两天,在我的技术交流群看到大家在讨论关于“TTL、RS232、485传输距离”的问题。 今天特意抽时间分享一下相关的内容。 概述 可能有很多读者都还不知道 TTL、RS232、485 到底是什么,本节简单概述一下它们是什么。 1.TTL电平 TTL:Transistor Transistor Logic,晶体管 ...
If you are a software and hardware developer working with serial ports, you often need a reliable serial port monitor that allows you to capture, display, analyze, record, and replay all serial port ...
前两天,看到交流群里讨论了关于“TTL、RS232、485传输距离”的问题。今天特意抽出时间分享一下相关内容,希望能对大家有所帮助。 概 述 可能很多人还都不太了解TTL、RS232、485,下面就简单概述一下它们分别是什么。 TTL:Transistor Transistor Logic,晶体管-晶体管 ...
In the old days, if you wanted to snoop on a piece of serial gear, you probably had a serial monitor or, perhaps, an attachment for your scope or logic analyzer. Today, you can get cheap logic ...
Sending and receiving data over a given distance has grown from a passion in humans to a necessity. In 1810, a German man created a system for sending encoded messages via air bubbles. He crafted a ...
When did you last buy a mouse? Did it have a little adapter in the box? There was a time when if you bought a USB mouse, in the box was also an adapter to allow it to be used with the older PS/2 ...
???<BR><BR>I have a propriatery RS232 device that I need to connect to a computer that has no serial ports (newer laptop). The hardware has a dongle incorporated into the cable to unlock the software ...
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