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Serial Port Monitor

Reads and sends COM port data

Serial Port Monitor Icon
Cart Purchase $19
Release Date: September 1, 2023
Version: 1.7 (Version History)

Send and receive data using Serial Port

Vovsoft Serial Port Monitor is an easy to use utility that allows monitoring your computer's COM port data traffic. You can read serial data from any COM port and send data to any COM port. You can change connection parameters such as baud rate (bits per second), parity, data bits and stop bits. This software can send and receive data in ASCII text. Hexadecimal, decimal, octal and binary formats are also supported when sending and displaying received data. It is possible to send serial commands periodically or according to a time schedule. "Clear", "Save to file" and "Copy to clipboard" buttons can be used. Setting font and background color is allowed by using the menu.

RS232 monitor software

Using this simple COM port sniffer and logger program, you can test, monitor and control any hardware compliant with RS-232 protocol, RS-485 protocol, RS-422 protocol or other compatible serial port device. The RS-232 (DB9) pinout specifies that only the RX (receiver) and TX (transmitter) pins are necessary for communication. The rest of the pins are necessary only if you implement some form of hardware flow control. You can easily read incoming data from RX and send outgoing data to TX with the help of a serial port analyzer and tester software, such as Vovsoft Serial Port Monitor. This application is an easy to use serial input listener and output transmitter software for students and electronic enthusiasts. Your desktop or laptop computer can communicate between microcontrollers (such as Arduino boards) or microprocessors (such as Raspberry Pi single-board computers) via serial communication with the help of this software.

Serial Scheduler

This program allows you to send serial commands periodically or according to a time schedule.

  • Send Periodically: Sends the same command repeatedly at a specified interval in milliseconds
  • Send Later: Sends commands at a later time by entering a future date and time

How to use RS232 in Windows

Modern computers no longer have built-in serial ports. However, if you need UART communication between your computer and your electronic devices, simply plug a USB to RS232 converter into your computer. Most of the time, Windows can install the USB converter driver automatically. In order to check the driver, start by going to the "Device Manager". Once there, expand "Ports (COM & LPT)".

RS232 cable types

A simple straight-through RS232 cable between your computer (terminal) and your electronic device will be fine. If you need PC-to-PC communication over serial port, you will need a "null modem" or "crossover" cable. For this to work, the Transmit (TX) pin of one device needs to be connected to the Receive (RX) pin of the other device, and vice versa. You can easily connect and use RS232 with the help of this COM port viewer software.

Category: Communications - Dial Up & Connection Tools

Supports: Windows Windows 11, Windows 10, Windows 8/8.1, Windows 7, Windows Vista, Windows XP (32-bit & 64-bit)

Language: English

License: Free to try

* Payment Questions

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Reads and sends COM port dataNoYes
Commercial use allowedNoYes
No nag screen, no adsNoYes
Ability to disable update notificationsNoYes
Lifetime free updatesNoYes

TLSTo receive license key and use all features of the software, use secure order at our financial partner, MyCommerce. To initiate the transaction, click the "Purchase" button above. Your license key will be immediately delivered after the registration. By using this license key, you can activate the product on the computer you want to use. The entire process needs only a few minutes.

A purchased license will be valid forever and includes future updates, all new functions will be available for existing registered users.

Finally, your registration enables us to improve our programs and continue developing quality software in the future. If you like this application or want to see new features, please consider registration. Thank you!

Rated 4.4 / 5 (5 reviews)

Best serial port monitor app ever! Very easy to use!!! Thank you...

— Rohaan Handley

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