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Revision to Hardware Overview

Tony

 
* The Duet Wifi and Duet Ethernet are Open Hardware, [https://github.com/T3P3/Duet/blob/master/LICENSE]
* All hardware [[Source Files]https://github.com/T3P3/Duet/tree/master/Duet2/Duet2v1.03|source files] are available on Github.
* All hardware [[Source Files]https://github.com/T3P3/Duet/tree/master/Duet2/Duet2v1.03|source files] are available on Github.
* Both the Duet Web Control web interface and RepRapFirmware are Open Source Software [http://www.gnu.org/licenses/gpl-3.0.en.html] with source files available and actively maintained, see [[Contributing to firmware development|Contributing to firmware development]] for more information.
* The DuetWifi and RepRapFirmware are built with Open tools: designed in [http://kicad-pcb.org/] and [https://eclipse.org/]: using open tools means the barrier to getting involved is as low as possible.
The Duet WiFi can drive 5 independent stepper motors. It uses Trinamic TMC2660 stepper drivers, which in addition to the standard step/direction/enable interface provide additional functionality (for example digital current selection and interpolation between microsteps) through SPI. If these chips become damaged or if users wish to use different drivers (for example supporting higher currents) then 5 additional channels of step/direction/enable pins are available on the expansion connector. With the onboard stepper drivers, it is possible to connect multiple motors in series; a connector is provided to make this convenient for the Z axis.
 
The Duet WiFi provides connectors for one endstop for each axis; these can be simple microswitches (normally open or normally closed) or they can be more complicated boards (for example optical switches) so long as they run off 3.3 V and can provide a digital (on/off) output. Additional endstop pins are available on the expansion connector. Any of these [https://duet3d.dozuki.com/Wiki/|endstop]endstop pins can also be configured to trigger user-defined actions, for example as a filament-out sensor or emergency-stop button.
The Duet WiFi provides connectors for one endstop for each axis; these can be simple microswitches (normally open or normally closed) or they can be more complicated boards (for example optical switches) so long as they run off 3.3 V and can provide a digital (on/off) output. Additional endstop pins are available on the expansion connector. Any of these [https://duet3d.dozuki.com/Wiki/|endstop]endstop pins can also be configured to trigger user-defined actions, for example as a filament-out sensor or emergency-stop button.
 
The Duet WiFi also provides a connector specifically for a Z probe. This supports simple switches, boards producing analog outputs (at 3.3 V levels) and boards providing analog outputs that require an on/off modulation signal.
* [[Choosing and connecting stepper motors]]
* [[Connecting endstop switches]]
* [[Connecting an Emergency Stop button]]Stop]] button
* [[Connecting an Emergency Stop button]]Stop]] button
* [[Connecting and configuring filament-out sensors]]
 
See also:
 
* [[Connecting thermistorsthermistors or PT1000 temperature sensors]]
* [[Connecting thermistorsthermistors or PT1000 temperature sensors]]
* [[Connecting thermocouples]]
* [[Connecting PT100 temperature sensors]]
* [[ConnectingChoosing and connecting a bed heater]]
* [[ConnectingChoosing and connecting a bed heater]]
* [[Connecting and configuring a chamber heater]]
* [[Connecting extruder heaters]]
* [[Connecting and configuring fans]]
* [[Connecting and configuring fans]]
 
== Expansion ==

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