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Version 2.11 represents a significant modernization of the original tool, specifically addressing compatibility with newer Windows and Office environments.
CLEARDATA : Clears all rows from cell A2 downward to start a fresh log.
Close the Arduino IDE Serial Monitor. Only one application can use the COM port at a time.
: Ensure your Excel Trust Center settings allow macros to run, as the tool relies on VBA. Plx-daq Version 2.11 Download -2021-
Close the Arduino Serial Monitor (PLX-DAQ cannot share the port).
PLX-DAQ (Parallax Data Acquisition tool) is an Excel spreadsheet macro. It transforms Microsoft Excel into a lightweight, real-time data acquisition system. Originally developed by Parallax Inc., the software was later modernized and updated to Version 2.x by independent developers to ensure compatibility with modern 64-bit operating systems and newer versions of Microsoft Excel. How It Works
I can provide a customized code snippet or specific troubleshooting steps based on your setup. Share public link Version 2
, 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
Downloading in 2021 represented the peak of simple, accessible data logging. Although newer tools have emerged, this version’s lightweight design, macro stability, and direct Excel integration make it an enduring solution for thousands of makers and engineers.
To start logging data, you must format your microcontroller's serial output correctly. PLX-DAQ relies on specific text commands. Example Arduino Sketch Only one application can use the COM port at a time
Help / Documentation PDF : A detailed breakdown of all supported serial commands.
(Parallax Data Acquisition) is an Add-In for Microsoft Excel. It allows real-time data streaming from a microcontroller directly into Excel cells. It eliminates the need for exporting CSV files or copying data from serial monitors manually.
This comprehensive guide covers everything you need to know about PLX-DAQ Version 2.11, its features, how to download it, and how to get your first data-logging project up and running.