diff --git a/laser-cnc/lasercnc.cfg b/laser-cnc/lasercnc.cfg
index ea68ee9..8026332 100644
--- a/laser-cnc/lasercnc.cfg
+++ b/laser-cnc/lasercnc.cfg
@@ -81,6 +81,9 @@ serial: /dev/serial/by-id/usb-Klipper_Klipper_firmware_12345-if00
 [mcu host]
 serial: /tmp/klipper_host_mcu
 
+[mcu due]
+serial: /dev/serial/by-id/usb-Arduino__www.arduino.cc__Arduino_Due_Prog._Port_7573630323635171A112-if00
+
 [printer]
 kinematics: cartesian
 max_velocity: 300