Did it even startup with the git version? On Saturday, January 22, 2022, 09:31:22 PM EST, Christof M Bradford <christof.bradford at gmail.com> wrote: I've given up hope for getting Java DW4 to use the serial port. I've had some success with PyDriveWire however. -- Coco mailing list Coco at maltedmedia.com https://pairlist5.pair.net/mailman/listinfo/coco