The Duet 3 Expansion Board 1XD V1.1 from Duet3D is a CAN-FD connected expansion board for the Duet 3 Mainboard. This CAN-FD bus can be easily connected via a daisy chain thanks to the standard Duet 3 RJ11 connectors. The board ensures that it can be connected to an external stepper motor and associated peripheral equipment. The 1XD V1.1 accepts up to 48V so that a power supply can easily be shared with stepper motors of up to 48V.