Expansion board DUEX5 for the Duet 2

The Duex5 is an expansion board for the Duet WiFi and Duet Ethernet. They are not compatible with the Duet 0.6 or 0.8.5.

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Specification:

• 5 additional TMC2660 stepper motor drivers with stall notification.
• 5 additional extruder heater outputs.
• 5 servo outputs with 5V power and 5V signal levels, sharing control channels with the heaters, so you can use unused heater channels to drive servos.
• 5 additional endstop inputs with indicator LEDs and 3.3V/5V voltage selection. These are also usable as outputs.
• 6 additional controlled fan outputs, also usable for driving LEDs etc. The output voltage may be switched between 5V, 12V and VIN.
• 4 uncommitted general purpose I/O pins.
• 12V switching regulator, for generating a 12V supply for fans, LEDs etc. when the VIN power is higher than 12V.
• 5 additional thermistor inputs.
• Support for 2 more thermocouple or PT100 daughter boards, supporting up to 4 more sensors.
• Optional 5V external power input for powering servos, fans etc.

Further details of the available addons are given on the Wiki at https://duet3d.dozuki.com/Wiki/Duex2_and_Duex5_Features