Plx-daq Version 2.11 Download -2021- May 2026
PLX-DAQ is a versatile data acquisition software that allows users to collect data from various devices, perform control operations, and automate tasks. It's commonly utilized in educational settings, research, and industrial applications for its ease of use and compatibility with a range of hardware.
PLX-DAQ (Parallax Data Acquisition tool) is a popular, free software tool used to data log up to 26 channels of data from a microcontroller (like Arduino, ESP32, or Parallax BS2) directly into Microsoft Excel.
The Version 2.11 release (maintained by NetDevil) is the standard modern version that resolves issues found in the original Parallax release and adds modern baud rate support.
Software updates don't always mean improvement. Many users report that recent forks of PLX-DAQ crash when handling large datasets. Version 2.11 is the "Toyota Hilux" of this software—it’s ugly, but it never dies.
Key features of v2.11:
The search for Plx-daq Version 2.11 Download -2021- typically leads users to the community-driven version of the Parallax Data Acquisition (PLX-DAQ) tool. Originally developed by Parallax Inc., the software was modernized as "Version 2" by community member NetDevil to support modern 64-bit Windows and Microsoft Office environments.
While the "2.11" version was a milestone release, the most current official community thread on the Arduino Forum frequently updates the software to ensure compatibility with Windows 10 and the latest Excel suites. Key Features of PLX-DAQ Version 2.11
This version significantly expanded the capabilities of the original Parallax tool, making it a staple for Arduino and microcontroller enthusiasts.
64-Bit Compatibility: Supports both 32-bit and 64-bit versions of Microsoft Office.
No Installation Required: Runs directly within the Excel workbook using API calls, eliminating the need for older .ocx installers.
High Performance: Supports baud rates up to 250,000 for faster data streaming. Plx-daq Version 2.11 Download -2021-
Direct Debugging: Includes a dedicated window to view raw incoming and outgoing serial data.
Extended Commands: Features like AUTOSCROLL_XY automatically scroll the spreadsheet as new data arrives. How to Use PLX-DAQ with Arduino
To log data from an Arduino to Excel, you must use specific serial commands that the PLX-DAQ macro can interpret.
PLX-DAQ Version 2.11 is a sophisticated data acquisition add-on for Microsoft Excel that enables real-time serial communication between microcontrollers, like Arduino, and spreadsheets. A standout "deep feature" in this version is the AUTOSCROLL functionality, which significantly improves live monitoring by automatically moving the Excel sheet to keep the newest data rows visible as they arrive. Core Features of PLX-DAQ v2.11
This version, which was actively updated through 2021 by Parallax Inc and the developer "NetDevil" on the Arduino Forum, includes several advanced capabilities:
Extended AUTOSCROLL Command: Users can trigger AUTOSCROLL_XY via their microcontroller, where "XY" defines how many additional lines to show above the current data row during scrolling (Office 2013 and newer only).
Dual Trace Transfer: Facilitates the simultaneous transfer and visualization of two distinct data streams within Excel.
64-Bit Office Support: Unlike older versions, v2.11 is fully compatible with both 32-bit and 64-bit versions of Microsoft Excel and Windows 10.
Enhanced COM Port Range: Supports COM ports from 1 up to 256 and baud rates up to 250,000 for high-speed data logging.
Direct Debug Window: A customizable window that allows developers to log incoming, outgoing, or system data with optional timestamps for easier testing. PLX-DAQ is a versatile data acquisition software that
GetRandom(min,max) Function: Returns a random number from Excel to the microcontroller, useful for initializing functions like randomSeed() in Arduino. Download and Installation
The software is distributed as a macro-enabled Excel workbook (.xlsm) rather than a traditional .exe installer.
Official Source: Available for download at Parallax Inc (last updated Dec 2021).
Community Source: The latest revised versions and a comprehensive "Beginners Guide" are maintained by NetDevil on the Arduino Forum.
Requirements: Requires Windows 10 and a modern version of Microsoft Excel with Macros and Active-X enabled to function.
The "story" of PLX-DAQ Version 2.11 is one of a community-driven revival that kept a classic engineering tool alive for the modern era. The Origin: A Tool Left Behind Originally, PLX-DAQ was a free software tool created by Parallax Inc.
to bridge the gap between microcontrollers and Microsoft Excel. It allowed users to send data from an Arduino or BASIC Stamp directly into an Excel spreadsheet in real-time, effectively turning Excel into a powerful data acquisition system. However, as Windows and Excel evolved (moving to 64-bit systems), the original Parallax version became incompatible and stopped being updated. The Revival: NetDevil’s Version 2.x
The "story" changed in the mid-2010s when a member of the Arduino community, known as , took it upon himself to rewrite the tool from scratch. Version 2.11
, specifically associated with the 2021 timeframe in many user guides and repositories, represented the refined peak of this "v2" branch.
It solved the "64-bit problem" by using modern VBA (Visual Basic for Applications) macros that could run on the latest versions of Microsoft Office. A key feature of the release was its support for Dual Trace Title: Unlocking Legacy Power: Why You Should Download
and high-speed data transfer, allowing engineers and hobbyists to graph two sets of data simultaneously in Excel. The 2021 "Download" Context
, PLX-DAQ v2.11 became the gold standard for "Quick Start" DAQ systems in the maker community. It is frequently downloaded from community hubs like the Arduino Forum GitHub repositories rather than an official corporate site. Why People Still Use It The tool remains popular because of its simplicity: No specialized software : It uses the Excel interface everyone already knows. Direct Control : Users send simple Serial.print commands from their Arduino (e.g., Serial.println("DATA,TIME,TIMER,VAL1,VAL2"); ) and the spreadsheet automatically fills the rows. Real-time Analysis
: It allows for immediate graphing and mathematical analysis of sensor data without needing to export files after an experiment [0.29]. to work with Version 2.11? PLX-DAQ-v2.11.xlsm - GitHub
RFID_Excel/PLX-DAQ-v2. 11/PLX-DAQ-v2. 11. xlsm at master · InfinityWorldHI/RFID_Excel · GitHub. She Lives! 8-Bit CCD Driver Circuit TCD1304DG…
Title: Unlocking Legacy Power: Why You Should Download PLX-DAQ Version 2.11 (2021)
Posted: [Insert Date] Category: Data Acquisition / Arduino
If you have been working with microcontrollers and Excel for any length of time, you have likely hit the same wall I have: How do you get real-time sensor data from your Arduino directly into a spreadsheet without writing a complex Visual Basic script?
Enter PLX-DAQ. Even though we are talking about Version 2.11 (from 2021), this specific release remains the gold standard for simplicity.
While newer versions have come and gone, v2.11 represents a stable, reliable peak for hobbyists and engineers who need "set it and forget it" logging.
To test if the software is working, upload this simple sketch to your Arduino:
void setup()
// Start serial communication
// Ensure the baud rate in PLX-DAQ matches this number (9600 or 115200)
Serial.begin(9600);
// Print the column headers (Row 1 in Excel)
Serial.println("CLEARDATA");
Serial.println("LABEL,Time,Timer,RandomValue");
void loop()
// Print data to Excel
// Format: ROW,SET,DATA,DATA...
Serial.print("DATA,TIME,TIMER,");
Serial.println(random(0, 100)); // Send a random number
delay(1000); // Update every 1 second