com port development tool


What is it?

Terminal is a simple serial port (COM) terminal emulation program. It can be used for communication with different devices such as modems, routers, embedded uC systems, GSM phones,... It is very useful debugging tool for serial communication applications.




  • without installation, only single and small .exe file ~300KB
  • simple file send
  • Rx and Tx characters counter
  • baudrate up to 256kbps & custom baudrate
  • up to 64 COM ports
  • log to file (hex & string)
  • 24 custom transmit macros with auto repeat function
  • scripting (with graph/visualization support)
  • remote control over TCP/IP - telnet


In macros you can use all characters from keyboard and any ASCII char if you use $xx or #xxx. Where $xx is hex and #xxx dec format of ascii code. If you want to use # or $ char in macro you should type it twice ($$=$ and ##=#).To calculate XOR checksum byte use %XOR command. To calculate SUM (1byte sum) checksum byte use %SUM command.
To insert delay in macro string use %DLYxxxx, where xxxx is value 0000-9999 in ms.

You can store macro in macro file. Active macro is "saved" even if you don't save it and will be available next time when you'll start Terminal. Macro string can be up to 128 characters long.


Simple pascal syntax scripting is possible. You can write short scripts to do some simple tasks. More about supported command you can find if you click "Help" button.
Below in attachment section you can find few sample scripts to check and test functionality.

TCP/IP remote control

Terminal can also act like telnet server and listen on selected TCP port. You can connect to it with any telnet client program from another computer in network (or over internet from different location) and see what's going on in terminal and send commands etc.

Download & Links

Download new version of the Terminal software - version 1.9b 20100630


Terminal is still FREE but if you find this tool useful and if you'd like to support this project and make a small is the simplest way to do it It's secure, quick and easy.

Terminal - Since 1997 by Bray++

Attachments (4)

  • delayedsend.tsc - on Nov 27, 2009 9:22 AM by Bray ++ (version 1)
    1k Download
  • graph.tsc - on Nov 27, 2009 9:12 AM by Bray ++ (version 1)
    1k Download
  • hexbin2.tsc - on Nov 27, 2009 9:16 AM by Bray ++ (version 1)
    1k Download
  • menu_choice.tsc - on Nov 27, 2009 9:06 AM by Bray ++ (version 1)
    1k Download

What's new:

* 20080315 - 10 more macros
* 20091126 - more com ports, bug fixes
* 20091127 - sample scripts added
* 20100630 - higher COM ports bugfix, new script commands

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