I am able to got data from Arduino to excel but not from excel to Arduino. I want to make below simple example ...
I have a user form with command button in vba . my requirement is that when i pressed it, the LED (pin13) on Arduino board turns ON and pressing again it turns OFF.
Kindly help me and send the codes
Navdeep9201:
Kindly help me and send the codes
MIWM LTMP VJLL FLNJ BLFM ISEY
Why the VJLL? 
Maybe op can do a Google. First hit http://dev.emcelettronica.com/serial-port-communication-in-excel-vba