peripheral devices. Something along the lines of...
Open a config screen.
Select a HID device attached or COM port
Define how many commands to config for send and data bits to receive over that connection
Define the data to be sent for each send command
Define a variable to hold data from each bit chunk received.
Make these send commands and variables available for use anywhere in the program.
Insert a code snippet to manipulate the data
Define a method of displaying the data such as a guage, text display, numerical display and where to put it.
Define a button to issue a configured command and where to put it.