Duet 3 Expansion Mini 2+

The Duet 3 Expansion Mini 2+ is specifically designed for the expansion header of the Duet 3 Mini 5+. It may be possible to use it with other mainboards, but this is not supported. It provides stepper motor drivers with the same configurability as the 5 mounted on the Duet 3 Mini 5+:

• 2 TMC2209 stepper drivers, running at up to 1.4A RMS (2A peak) with firmware control of the full feature set, including up to 256 microstepping, StallGuard 2 and StealthChop2
• Mounts directly on the expansion header on the Duet 3 Mini 5+

Documentation.

• Duet 3 Expansion Mini 2+ Hardware overview
• Duet 3 Expansion Mini 2+ Wiring