Labview Read Arduino Serial Port

The serial communication has a timeout of 10s. And since I had defined the string format, the serial interface is set to read until every termination character and dump for further process. Serial port configuration. Once the serial port is configured, the main loop will read 1000 bytes from the COM port. Connect your Arduino to your computer with a USB cable and run the same code. Ensure that your Bluetooth enabled Arduino is within range of your computer. Make sure you have specified the correct COM port to the Init.vi. English to bengali typing software. Make sure the Bluetooth modem is powered. Note: The package LabVIEW Interface for Arduino (LIFA) has been replaced with LINX. Hi, I am beginner to labview arduino and trying to two arduino with serial port using Linx Uart Read. Uno send int or long int to Mega that connecting linx. Each port is controlled by three registers, which are also defined variables in the arduino language. The DDR register, determines whether the pin is an INPUT or OUTPUT. The PORT register controls whether the pin is HIGH or LOW, and the PIN register reads the state of INPUT pins set to input with. Dec 14, 2016  Arduino for LabVIEW driver installation. Arduino photo sensor board. Create serial Read-Write sub VI. Right click on the property node and choose 'Bytes at Port'. Place a 'Read Visa' and connect the input and output wires as diagram here: Finally, create a SUB VI.


Hello friends, hope you all are fine and having fun with your life. Today’s post, as the name suggests is about How to Display Serial Data on Real Time Graph in Labview. In our previous post, we have seen that how to Get Continuous Data From COM Port in Labview. Today’s post is a sequel of this previous post so I would recommend that if you haven’t had a look on that post then first visit it as I am gonna start today’s post from where I stopped the previous one.In the last post, we were able to get the continuous data from COM port using Labview and we have also separated the data based on a character which I have used this one “,” i.e. comma. Now, suppose you are sending 3 values from your COM port and these are the sensors’ values so tthe best way to display these value is by using a graph. In the last post we separated the values and displayed them in a 1D array, so today we are gonna display those values in a graph. As I have taken three values so today I am gonna plot 3 graphs. Each graph will show one of the values and display them in real time. Let’s start it.

Display Serial Data on Real Time Graph in Labview

Labview read serial port arduino
  • In the last post, we have the below vi at the end. This vi get continuous data from the COM Port and then display it in the Response and the 1D array.


  • As you can see in the above figure, the logic we used is quite simple, what we did is we simply get the array just before Data 1D and then broke it into parts i.e. array(0), array(1) and array(2) and then fed it to the Graph plots.
  • In this particular example I am using accelerometer IMUv2 and displaying its values on the graph.
  • After adding these blocks you are done. Now press Ctrl+T and open the Front Panel. My front Panel looks like as shown in below figure:
  • Now, you can see the data is displayed. In this vi, we have displayed the data in three formats:
  1. Response: It shows the complete data coming from the Serial Port.
  2. Data1D: It separates the data and then displays it in digital format.
  3. Graphs: They plot the real time graph of the coming data.

I have attached the vi below for download but I would recommend you guys to design it by yourself so that you learn the most out of it.

Labview Read Arduino Serial Port Not Selected

Labview Read Arduino Serial PortDownload the Labview vi

Arduino Read String From Serial


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Category: LabView TutorialsBy Syed Zain Nasir16 Comments

Author: Syed Zain Nasir

https://www.theengineeringprojects.com/I am Syed Zain Nasir, the founder of <a href=https://www.TheEngineeringProjects.com/>The Engineering Projects</a> (TEP). I am a programmer since 2009 before that I just search things, make small projects and now I am sharing my knowledge through this platform.I also work as a freelancer and did many projects related to programming and electrical circuitry. <a href=https://plus.google.com/+SyedZainNasir/>My Google Profile+</a>