I don't know of any, unfortunately. The easiest thing to do might be to take control of a USB keyboard and toggle its LEDs. The commands should be fairly easy (standard), although I'm not entirely sure if the Linux HID module will correctly let go of it.
On Fri, 30 Dec 2005, Elliotte Harold wrote: >Anyone know of a simple device that's operated purely over the control >channel? Possibly in write-only mode? Perhaps something as simple as a >light or LED that can switch on or off. > >I'd like to be able to show some sort of demo of this stuff relatively >early with just the UsbDevice class without having to first introduce >UsbConfiguration, UsbInterface, UsbEndpoint, and finally UsbPipe. By the >time I work my way through all that, I'm afraid my audience will have >departed for dreamland if I haven't actually shown them a simple working >program that accomplishes something. > >Possibly I could even hook up such a device myself, but I'm not a >hardware person by training, so I'd be more comfortable with a >prepackaged solution that doesn't require me to read circuit diagrams. :-) > > -- Dan Streetman [EMAIL PROTECTED] --------------------- 186,272 miles per second: It isn't just a good idea, it's the law! ------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Do you grep through log files for problems? Stop! Download the new AJAX search engine that makes searching your log files as easy as surfing the web. DOWNLOAD SPLUNK! http://ads.osdn.com/?ad_id=7637&alloc_id=16865&op=click _______________________________________________ javax-usb-devel mailing list javax-usb-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/javax-usb-devel