This topic describes how to use My.Computer.Ports to send strings to the computer's serial ports in Visual Basic. Example This example sends a string to the COM1 serial port. You may need to use a different serial port on your computer. Use the My.Computer.Ports.OpenSerialPort method to obtain a reference to the port. For more information, see.

Serial Communications Library for Visual Basic and VB.NET to easily communicate with RS232, multi-drop RS485 and RS422 ports as well as virtual serial ports using Bluetooth serial and USB to serial converters. I am trying to ReadLine from my Visual Basic application. I am new to both Arduino and Visual Basic so please bare with me:) I am using Arduino Leonardo. This is my Arduino application so far, I tried looping only this line Serial.println(TempOutside + 48); but still VB application freezes. Code: [Select].

The Using block allows the application to close the serial port even if it generates an exception. All code that manipulates the serial port should appear within this block or within a Try. Runaway Road Adventure Patch From 101. How To Get Your Competition Fired Pdf Editor more. Catch.Finally block. The method sends the data to the serial port. Sub SendSerialData(ByVal data As String) ' Send strings to a serial port. Using com1 As IO.Ports.SerialPort = My.Computer.Ports.OpenSerialPort('COM1') com1.WriteLine(data) End Using End Sub Compiling the Code • This example assumes the computer is using COM1. Robust Programming This example assumes the computer is using COM1; for more flexibility, the code should allow the user to select the desired serial port from a list of available ports. For more information, see.

This example uses a Using block to make sure that the application closes the port even if it throws an exception. For more information, see.