Step – 1: Connect your device with your system through RS-232 cable or USB-to-Serial adapter and check whether it’s connected successfully or not. Step – 2: Open device manager and check for COM ports, it get assigned a COM port or not. If you are not aware about accessing device manager then follow this post. Step – 3: Note down the “COM port number” as we will require it. Step – 4: Check user manuals or other reference documents related to your hardware for the following information:Ībove properties are critical to make the communication correctly, if you don’t configure these properties properly then you will get either junk data or no data. Serial Communication using Hyper Terminal If you are going to use Hyper terminal than follow Step-5 to Step-9 otherwise follow Step-10 to Step-12. Step – 5 a Extract the downloaded “hypertermina.rar” file in your system, open the “Hyper terminal” folder and double click on hyper terminal application. You should see the window like the screen shot given below. Step – 5 b Insert a name for the connection, for ex. Step – 5 c Select your “COM” i.e Serial port. Step – 5 d You will see the window like below screen shot. Set the values, you noted before remember i.e. Step – 5 e Now you are ready to communicate with your device. I am inserting a screen shot which shows a messages received by the device.
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