PLX-DAQ (Parallax Data Acquisition tool) is an add-in for Microsoft Excel. It captures serial data from your computer's COM port and automatically populates Excel cells in real-time. Instead of just watching numbers scroll by on a Serial Monitor, you can create live graphs, calculate averages, and store data for long-term analysis. Key Features of Version 2.11
The core syntax relies on Serial.println() . Every data transmission must begin with a specific keyword string. Use LABEL to name your Excel columns during setup. Use DATA to send the actual sensor values. 2. Sample Code Structure Upload the following example sketch to your Arduino board:
: Users can watch charts update live as sensors collect data (such as temperature, humidity, or pressure).
(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.
Specifically supports transferring multiple data streams for complex monitoring, such as using Excel as a basic oscilloscope. Direct Debugging: Plx-daq Version 2.11 Download -2021-
Your spreadsheet will now automatically populate with incoming timestamps, counter numbers, and sensor readings. Common Troubleshooting Tips The UI Form Does Not Open
The 2.11 version, widely distributed and utilized around 2021, represents a modernized rewrite of the original legacy software. While older versions relied on outdated Windows active control elements, version 2.11 utilizes clean VBA (Visual Basic for Applications) code inside Excel to handle high-speed serial communication. Key Features
If Excel does not ask for permission, you may need to lower the macro security level:
: Excel can read data and send commands back to the microcontroller. PLX-DAQ (Parallax Data Acquisition tool) is an add-in
Because Version 2.11 is often distributed as a compressed archive rather than a commercial installer, the setup process requires manual placement of files.
: Runs directly within the Excel workbook using API calls, eliminating the need for older .ocx installers.
Includes a simple control panel to start, stop, and reset logging. System Requirements
Simple Excel macro interface with clear Connect/Disconnect options. Key Features of Version 2
Close the Arduino IDE Serial Monitor before clicking "Connect" in PLX-DAQ. Only one software program can access a specific COM port at a time. If you want to dive deeper into this setup, let me know:
PLX-DAQ Version 2.11 is distributed as a lightweight ZIP file containing the Excel macro workbook and necessary source code files. Step 1: Download the Files
Now supports communication speeds up to 230400 and 250000 baud.
The AUTOSCROLL_XY command allows the Excel sheet to automatically scroll as new data rows are added (Office 2013+ required).
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