Serial Port Source
The source of article and links to material and tool in the computer serial port(RS-232) interfaceing hardware programming relating in serial port content and networks, and control applications.
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Plus!,How to Programming ,Troubleshooting,Connecting ,Project and Product also.
in serial port programming guide. Peter Baumann's article.
HOWTO documents for Linux, Plus some Serial Port
Art and Science of RS485. By Bob Perrin. From Circuit Cellar Site
RS232 Data Interface
is a tutorial and articles from ARC Electronics site.
Article of lvr.com about RS485 Circuits Design.
Communication via RS-232 Serial Port. Harsha Perla 's an article and information
Here is information sources overall of the basics of RS232, RS485,
and similar communications. The best sources are the product vendors and
chip manufacturers and devices to attend listed thus below.
Webopaedia Site. Here is definitions and links to RS-232 and other serial-port
information for developer.
Prefer and used Serial port Data Standards.
RS-422 & RS485. From Hardware Server.
Connecting Two Computer
Applications and Programs
UART. The best article shows how to use Maxim's MAX3110E
UART to add a buffered asynchronous serial port to a Basic Stamp project.
Products : Converters, Cables,Cards and Code
The sources below for PCB(printed-circuit boards) that convert between
RS-232(TTL) and RS485 or like interfaces, serial port expansion cards for computer's, software drivers,cables and all serial port products.
Plus of these companies are the best sources for applications information.
Companies that specialize in serial communications & access
Please see the Communications Software thus section below.
Other companies with serial-communications products (mostly
- CER International Website has show the COM-Watch
2000, a serial data communication analyzer for RS-232, RS485, and more serial communication.
Tech Inc. Website has show a large prefer of RS-232 and RS485 converters and
cards for various interfaces and applications to support your project.
- The Mule KeyWedge Interface from Altek Instruments converts RS-232
input to keyboard input.
- Antona Corporation
has show RS-232/RS-422 converters, including one with a video vertical sync
- DataBoy is an RS-232
traffic monitor that plugs into a standard Game Boy Color or Game Boy
Advance console. From Micro Contraptions, Inc.
Technologies has show an RS232/RS485 converter that requires
software control of the transmit-enable line and RS-232/TTL converters
that can plug into the edge of a solderless breadboard.
People has show Ethernet-to-RS-232 and -RS485 converters.
- Netburner has show a development
kit for serial-to-Ethernet applications.
- Traversix has show a Connectivity
System for remote access to your serial-port devices.
This source is communications & access tools can simplify serial-port programming on computer for developper.
Regrading the Visual Basic, use the MSComm6 control included with the Professional
and Enterprise editions. Visual Basic's Learning Edition doesn't include
MSComm6. But you can use the freeware XMComm
ActiveX control, which wraps the MSComm32.ocx. From Richard Grier's
Hard & Software.
- Microsoft Dot Net Framework 2.0, scheduled for release in
November 2005, will include a SerialPort
class. Attend a Beta
version of the Dot Net Framework 2.0.
Basic is a programming language designed for RS232 communications & access.
From Data Outfitters.
- GotDotNet User Sample: C#-based Serial Port Control component and CSTerm terminal application.
- Easy-I/O. The
ActiveX control for very basic serial I/O for OS Windows 95/NT.
- Eltima Software is a virtual
serial port driver, serial port monitor, and serial port splitter.
- Greenleaf CommX has been
ActiveX comm ports, the ViewComm Async protocol analzyer.
- PowerBasic.the DOS Basic
compiler that enables accessing four COM ports .
- RemoteComm and LocalComm An ActiveX components allow remote access to a serial port on one computer (used Winsock over a network connection) from another computer
(or Pocket PC/Windows CE device).
- Sax Comm Objects is
an ActiveX control and COM object for serial communications & access.
- SerialTools supports
accessing physical and virtual serial ports in Dot Net Desktop Framework
and Compact Framework applications and ActiveX.
Player enables recording and playback of data from serial ports.
- Visual Basic in RS232SerialPort
is a class for use with Visual Studio 2003 and the Compact Framework for
Pocket PCs and embedded Windows CE. From Richard Grier's Hard &
Virtual Serial Port Drivers
Please See below communications & access
Software for additional sources.
- The Virtual
Serial Port Driver enables applications to use COM-port functions to
communicate with your custom hardware. From Device Drivers
This is basic modem or direct RS232 communications & access. Use one of these in
place of Windows' Hyperterminal (in Accessories).
- RealTerm is a
terminal emulator with a focus on debugging capabilities. Freeware.
- Com Port, By TGL Microsystems.This is Shareware.
- DDCMP (Digital Data
Communications Message Protocol) ensures reliable communications & access over
full and half-duplex links, used synchronous or asynchronous
transmissions, in links of two or more devices. From Digital Equipment
- S.N.A.P. protocol is defines
a simple, general-purpose message format that is useful for monitoring
and control networks of all types. Freeware .
Here is Information on various protocols for serial communications & access without
wires thus below.
- IrCOMM2k is a free,
open-source Virtual Infrared COM Port for Windows 2000/XP
- The Bluetooth organization
has been a site present with information on this new technology spec for small
form-factor, low-cost, short-range radio links between mobile computer,
phones and other portable devices. Digianswer also has been Bluetooth
Data Sheets and Application Notes
Here Data sheets are the essential source of information on how to use
RS-232 and RS485 interface chips.The Chip manufacturers are also an
best source for applications notes with example circuits and tips on
used the components.
Semiconductor. All interface chips and excellent application notes
on a variety of topics. Use the search term "RS485". Also a source for
the data sheet for the PC's 16550 UART.
- Intersil website has been RS-232
chips and the data sheet for the 6402 UART,simple UART that's useful for basic monitoring and control applications.
(Telecommunications Industry Association) develops and publishes the
RS-232, RS485, and similar standards. The standards documents are
available from Global Engineering
Documents. These are some of the document numbers:
RS-232 is document TIA/EIA-232, revision F.
RS-422 is document
TIA/EIA-422, revision B.
RS-423 is document TIA/EIA-423, revision
RS485 is document TIA/EIA-485.