I am trying to write a Java applet that will read from a user\'s serial port. For this I am using the Java Comm API in conjuction with the RXTX library. I\'ve successfully m
I don't know about applets, other than they're locked down heavily wrt. security/accessing the machine's resources etc.
If you need a web-deployable solution, have you looked at Java Web Start ? See in particular this FAQ entry