On Tue, 29 Jan 2019 at 01:39, Thaddeus Waldner <thadw...@gmail.com> wrote:
As I understand it, I need a RS485 port. Is it reasonably possible to add a > second serial port on some of the unused I/O pins to the MESA card? Would I > be better served buying a usb-RS485 adapter? The vfs11 driver runs in user-space so the fact that you can't have realtime control through USB is not such a problem. This means that a cheap USB-RS485 dongle probably is as good a way to do it as any. This is how I connected my VFD. https://forum.linuxcnc.org/forum/18-computer/30675-on-motherboard-modbus-rs485-connection -- atp "A motorcycle is a bicycle with a pandemonium attachment and is designed for the especial use of mechanical geniuses, daredevils and lunatics." — George Fitch, Atlanta Constitution Newspaper, 1916 _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users