We will be using Visual Studio to write a WPF application that will interface with the Arduino. For communication between the Arduino and our C# program, we will use the serial COM port. For this application, we will toggle the on-board LED based on values received through the serial port.

For communication between the Arduino and our C# program, we will use the serial COM port. For this application, we will toggle the on-board LED based on values received through the serial port. The Arduino sketch will continuously read from the serial port, listening for input from the computer loop.

Maybe it is a pressure sensor limitation, i would check the datasheet, the communication shouldn't be that slow. The pressure sensor is not limiting, I cant write to the Arduino serial port at a very high frequency. But I can not get the communication between C# and Arduino to be fast enough. It seems to be at almost exactly 1Hz.

So, we need to write a simple code to make the Arduino log "Hello World" via Serial Communication. Open the Arduino IDE and create a new sketch. - Upload the sketch to Arduino. - Done. The Arduino part is over. Now we can get to the real deal. The interface program in .NET/C#. For this tutorial, I'm going to create a simple Console Application.