c) Visual Basic macro in spreadsheet sends the parameters/commands via TCP/IP to remote computer.
d) TCP2Serial server software on remote computer listens to TCP/IP and passes commands to the serial port.
e) A/D device on serial port does what it is told, returns data.
f) TCP2Serial server sends data back to student computer via TCP/IP.
g)
VB macro puts data into spreadsheet cells for further analysis by student.
No
control program at the remote site! (Everything is in the control of the
student.)