Overview.
BIG-DIPPER (North Star), is a combination of Duet3 mini5+ and Mini 2+ both, its main control and pin assignment is exactly the same as mini5+, you can directly use the mini5+ firmware. At the same time, the power supply and IO protection have been upgraded to a certain extent to make it more secure. And you can switch between WIFI version and Ethernet version by replacing the module, and WIFI supports external antenna.
Based on the good ecology of RRF firmware, and the on-board 7 axes (7xTMC2209), the board can be easily configured for a variety of models, such as series, multi-Z-axis models, dual-X models, etc.
Firmware:
The motherboard is developed on the basis of the due3mini5+ motherboard, and the firmware is compatible.
Duet3 mini5+ user guide:
duet3mini5+ firmware:
More Infor about the mainboard click to open:
Shipping list.
BIG-DIPPER motherboard*1
Gray lineup*1
External antenna*1
Heat sink *7