@Skog, if you have a background process in your background window going that captures the input from same com port and pipes it to your command prompt window, you should be able to see the response. I'm not that much a win user anymore, but it is not much different as in linux/osx/...
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
@Skog, if you have a background process in your background window going that captures the input from same com port and pipes it to your command prompt window, you should be able to see the response. I'm not that much a win user anymore, but it is not much different as in linux/osx/...