The 2021 update to Version 2.11 brought several stability improvements and compatibility fixes for modern Windows environments.
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
Any microcontroller with serial output (Arduino, ESP32, PIC). How to Download and Install Plx-daq Version 2.11 Download -2021-
Downloading the 2021 version of PLX-DAQ is straightforward. Follow these steps to get started:
void setup() { Serial.begin(9600); Serial.println("CLEARDATA"); // Clears existing data Serial.println("LABEL,Time,SensorValue"); // Sets column headers } void loop() { int sensorValue = analogRead(A0); Serial.print("DATA,TIME,"); // Sends "DATA" prefix and current time Serial.println(sensorValue); delay(1000); } Use code with caution. Troubleshooting Common Issues The 2021 update to Version 2
To send data from your Arduino to PLX-DAQ, use simple Serial.println commands. Here is a basic template:
Check your Excel Security Settings. Set "Macro Settings" to "Disable all macros with notification." Instead of just watching numbers scroll by on
Automatically adds PC time and date to every data row.