Serial communication from JavaScript?

Question

Is it possible to communicate over a machine\'s serial port through JavaScript?

I have to write a short program that sends data to a microcontroller over the serial

Answer 1

If you have a DLL library (this includes e.g. most Windows APIs) that allows you to communicate over serial port you can invoke it from Firefox chrome code (or content code with universalxpconnect privileges) by using ctypes.