Serial Port Monitor

Serial Port Monitor

Electronic Team, Inc.
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About

If you download this file you will receive a complete point of sale software / cash register program that will work on any PC computer running any version of DOS or Windows. It is a DOS program. (Trust me, your money doesn't care.) It will work with almost any receipt printer or regular computer printer. It will work without a printer but then you can't print receipts. You can use a scanner to read stock numbers. It will pop open a cash drawer attached to a receipt printer or some serial cash drawers. (NOTE: Serial cash drawers are not recommended.) It will ring up to 200 lines per sale. It will track up to 26,000 different items for a medium sized retail business or with almost no setup use in "minimal mode" for a garage sale, flea market, snack bar.

About

Serial Port Monitor is a professional software application that allows reading and recording serial data going through your computer’s serial ports. The program is a big help for those who develop and debug software and hardware solutions that use COM ports for serial data transfer. RS232 Port Monitor comes with a slew of powerful features, including advanced filtering and search options, built-in terminal, convenient data visualizers, the ability to record serial communication data to a file, and more. The software has a streamlined and user-friendly interface and doesn’t require any programming skills. There are Professional and Company editions of Serial Port Monitor. When using the software in terminal mode, you can emulate sending some special commands to the monitored port as though they were sent from a monitored application. This way you get the ability to check the reaction of the COM port and device connected to it.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Businesses searching for a POS solution

Audience

Users and companies in need of a serial port monitoring tool

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

Free
Free Version
Free Trial

Pricing

$199 one-time payment
Company License - $999
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

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Reviews/Ratings

Overall 4.8 / 5
ease 4.6 / 5
features 4.6 / 5
design 4.5 / 5
support 4.7 / 5

Pros & Cons from Real Users

Pros

  • Excellent visibility into serial port communications and data traffic. Very useful for debugging Arduino, embedded systems, and USB-to-serial devices. Helps quickly identify baud rate, data formatting, and communication issues.
  • Serial Port Monitor is a highly convenient and effective tool that delivers exactly what it promises. It’s easy to use, even for those without deep programming knowledge, yet powerful enough for professional workflows. The ability to read, record, and analyze serial data in real time is extremely valuable, especially for debugging and development tasks involving COM ports. The built-in terminal and data visualization features stand out, making it simple to interpret communication streams without needing additional tools. Advanced filtering and search options also save a lot of time when working with large volumes of data. Overall, it offers great value for money, particularly considering the breadth of features included.
  • Although I don't have much experience with similar software, I was impressed by Serial Port Monitor right after launching it for the first time. I found the controls intuitive and was immediately able to monitor communication between the computer and BMS.
  • Top software, very easy to use and offers tons of possibilities. I stumbled upon this program by chance and I'm totally thrilled.
  • Effective debugging tool for serial communication with Arduino boards, GPS modules, USB-to-serial adapters, and other DIY hardware. Real-time data monitoring helps spot issues like mismatched baud rates, protocol errors, and unexpected device behavior. Useful for firmware testing, allowing verification of expected data during uploads and troubleshooting firmware/configuration issues. Logging functionality lets you capture serial traffic for later review, making it easier to analyze long test sessions and identify patterns. Educational value, helping you better understand serial protocols, message structures, timing, and device handshakes through hands-on observation. Great for learning and experimenting, including reverse-engineering communication on vintage or hobby devices.

Cons

  • No significant issues encountered during my use. The interface feels somewhat dated, but functionality remains excellent.
  • While the functionality is strong, the design and user interface could benefit from modernization. Compared to current software standards, some elements feel slightly outdated. Improving the visual appeal and user experience would make the tool even more attractive, especially for new users who expect more polished interfaces today.
  • I haven't found any downsides to Serial Port Monitor. Maybe the price, but that's relative, because the pros clearly outweigh the cons.
  • Unfortunately, the software is a bit expensive, but I'm considering spending the money on it anyway.
  • Focused use case — primarily valuable for those working with serial devices and microcontrollers, not general-purpose debugging.

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

KeyHut
Founded: 2001
United States
keyhut.com/pos.htm

Company Information

Electronic Team, Inc.
Founded: 2001
USA
www.electronic.us/products/serial-port-monitor/

Alternatives

Alternatives

SerialTool

SerialTool

Duolabs Srl
Virtual Serial Port Driver

Virtual Serial Port Driver

Electronic Team, Inc.
Cispro

Cispro

Northern Computer
Serial to Ethernet Connector

Serial to Ethernet Connector

Electronic Team, Inc.
MPOS

MPOS

Millennium Resources
VIGIL

VIGIL

Reliable IT Services

Categories

Categories

Point of Sale Features

Barcode Scanning
Commission Management
Cryptocurrency Support
Customer Account Profiles
Discount Management
eCommerce Integration
Electronic Signature
Gift Card Management
Loyalty Program
Multi-Location
Restaurant POS
Retail POS
Returns Management

Data Extraction Features

Disparate Data Collection
Document Extraction
Email Address Extraction
Image Extraction
IP Address Extraction
Phone Number Extraction
Pricing Extraction
Web Data Extraction

Integrations

No info available.

Integrations

No info available.
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