When you plug them in, any program that can read serial ports will list the connected Arduino in the list of serial ports. Many microcontroller boards, including the Arduino boards, include a USB-to-serial converter to communicate with your computer in this way. ![]() ![]() Devices that include a USB-to-serial converter will show up as serial ports to your computer when you plug them in. Because so many devices still use asynchronous serial communication, USB includes a Communications Device Class (CDC) that supports asynchronous serial communication. USB is a complex protocol that can support many different classes of devices, from human interface devices (HID) like mice and keyboards to mass storage devices to cameras, and more. Now client wants to get the weight that weight machine sends on serial port in web app. ![]() For more information, see OpenSerialPort. Asp.net Web Application Hosted on Server And Communication with Serial Port of Client Machine Ask Question 1 Weight machine is attached with the serial port of client's PC and client running web app. Use the My. method to obtain a reference to the port. This configuration is known as a bus configuration. Dim returnStr As String ' Determine which serial port should provide the strings. USB stands for Universal Serial Bus, and it’s a slightly different serial protocol that allows multiple devices to communicate over the same wires. ![]() Most personal computers do not have an asynchronous serial port anymore.
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