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Revision to Duet 2 Maestro Hardware Overview

David Crocker

|--
|! Processor
-| Powerful 32-bit, 120MHz ARM Cortex-M4 microcontroller, [https://www.microchip.com/wwwproducts/en/ATSAM4S8C|SAM4S8C]
+| 32-bit 120MHz ARM Cortex-M4 microcontroller, [https://www.microchip.com/wwwproducts/en/ATSAM4S8C|SAM4S8C]
|--
|! Processor features
-| 512Kb memory, 128Kb RAM, DMA and many peripherals.
+| 512Kb flash memory, 128Kb RAM, DMA and many peripherals.
|--
|! On-board stepper drivers
|--
|! Networking/Comms
-| Dedicated 10BaseT/100BaseTX Ethernet module. Connect via USB or serial if desired.
+| Dedicated 10BaseT/100BaseTX Ethernet module; USB port; serial port.
|--
|! SD card interface
-| On-board High speed SD card and support for a second SD external card if required.
-|--
-|! SD card interface speed
-| 15Mbytes/sec
+| On-board high speed (15Mbytes/sec) SD card socket. Support for an optional external SD card socket.
|--
|! Power monitoring
|--
|! PT100 and thermocouple support
-| Add-on daughter board available for PT100 or thermocouple support. Up to 2 daughter boards (4 channels) supported; second board available only if I2C expansion pins are not used
+| Add-on daughter board available for PT100 or thermocouple support. Up to 2 daughter boards (4 channels) supported (second board available only if I2C expansion pins are not used)
|--
|! Servo support
|--
|! LCD support
-| Dedicated connectors for [[PanelDue|PanelDue]] controller (full colour graphic touch screen controller) and 12864 mono graphics display (using ST7920 controller 5V signal levels)
+| Dedicated connectors for [[PanelDue|PanelDue]] controller (full colour graphic touch screen controller) and 12864 mono graphics display (using ST7920 controller with 5V signal levels)
|--
|! Other I/O
* Setup your printer and update the firmware through the web interface. No need to compile your own firmware.
* Most printers supported: All common 3D printer geometries are supported, with easily modified configuration templates for popular designs. Along with 3D printers a wide variety of CNC machines and laser cutters can be controlled.
-* Firmware support for mixing nozzles
-* Advanced Calibration Support: Use an optional add-on of DC42’s highly repeatable [[IR Probe|contactless IR probe]] combined with advanced firmware features for more accurate printer calibration. Many other probe types are also supported.
+* Firmware support for multiple tools and mixing nozzles
+* Advanced Calibration Support: Use any of several types of Z probe combined with advanced firmware features for true bed levelling, delta printer calibration, and/or mesh bed compensation.
== Operating limits ==
|--
|! Input power voltage
-| 11V to 28V
+| 11V to 25V
|--
|! Endstop/filament monitor inputs

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