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Revision to Hardware Overview

Tony

 
The Duet 2 Maestro is a lower cost Duet 2 see [[Duet 2 Maestro Hardware Overview]] for more details.
 
=== Open Source ===
 
Importantly Duets are Open:
 
* The Duets are Open Hardware, [https://github.com/T3P3/Duet/blob/master/LICENSE]
* All hardware [https://github.com/T3P3/Duet/tree/master/Duet2/Duet2v1.03|sourcehttps://github.com/T3P3/Duet|source files] are available on Github.
* All hardware [https://github.com/T3P3/Duet/tree/master/Duet2/Duet2v1.03|sourcehttps://github.com/T3P3/Duet|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 Duet hardware 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.
[image|229|size=large]
 
== Version HistoryPCB revision history ==
== Version HistoryPCB revision history ==
 
=== 2nd Generation Duets ===
 
The Duet Wifi and Duet Ethernet both use the same base controller board. The difference is only in the communications module. This base controller board has gone through a number of minorPCB design revisions. The versionrevision number is marked on the silkscreen on the board, to the left of the large processor chip.
The Duet Wifi and Duet Ethernet both use the same base controller board. The difference is only in the communications module. This base controller board has gone through a number of minorPCB design revisions. The versionrevision number is marked on the silkscreen on the board, to the left of the large processor chip.
 
==== PCB revision v1.04 ====
==== PCB revision v1.04 ====
 
Compared to PCB revision v1.03 the following changes have been implemented:
Compared to PCB revision v1.03 the following changes have been implemented:
 
* Provision of a miniblade fuse for the Motors and heaters - Supplied with a 7.5A fuse
Source files: https://github.com/T3P3/Duet/tree/master/Duet2/Duet2v1.04
 
==== V1.03v1.03 and earlier feature diagram ====
==== V1.03v1.03 and earlier feature diagram ====
 
The feature diagram for V1.03PCB revision v1.03 and earlier is below
The feature diagram for V1.03PCB revision v1.03 and earlier is below
 
[image|228]
 
==== PCB revision v1.03 ====
==== PCB revision v1.03 ====
 
Compared to PCB revision v1.02 the following changes have been implemented:
Compared to PCB revision v1.02 the following changes have been implemented:
 
* The Fan MOSFETS now have a miniblade fuse in the VIN supply (not 5V supply).
* Minor routing changes
 
Source files: https://github.com/T3P3/Duet/tree/master/Duet2/Duet2v1.03https://github.com/T3P3/Duet/tree/master/Duet2/Old%20versions/Duet2v1.03
Source files: https://github.com/T3P3/Duet/tree/master/Duet2/Duet2v1.03https://github.com/T3P3/Duet/tree/master/Duet2/Old%20versions/Duet2v1.03
 
==== PCB revision v1.02 ====
==== PCB revision v1.02 ====
 
* Compared to PCB revision v1.01 it had the following changes:
* Compared to PCB revision v1.01 it had the following changes:
* Changed to a Resettable VSSA. Now if the thermistor inputs are connected to VIN the VSSA fuse should reset rahter than needing to be replaced
* Added capacitors on stepper driver outputs to reduce EMI
Source files: https://github.com/T3P3/Duet/tree/master/Duet2/Old%20versions/DuetWifiv1.02
 
==== PCB revision v1.01 ====
==== PCB revision v1.01 ====
 
Compared to PCB revision v1.0 it had the following changes:
Compared to PCB revision v1.0 it had the following changes:
 
* Minor routing changes
Source files: https://github.com/T3P3/Duet/tree/master/Duet2/Old%20versions/DuetWifiv1.01
 
==== PCB revision v1.0 ====
==== PCB revision v1.0 ====
 
The first production version. Compared to the prototype it had the following changes:
 
=== 1st Generation Duets ===
 
1st generation Duets are now obsolete hardware, however they are still supported in RepRapFirmware using the 1.x releases. In future new features of RepRapFirmware may not be implemented for 1st generation Duets due to their more limited capability.
 
==== Duet 0.8.5 ====
 
An updated and expanded version of the Duet 0.6, called the Duet 0.8.5 (multiple unreleased versions came in between) was released in Aug 2015. More

More
details are available of the RepRap wiki here:
An updated and expanded version of the Duet 0.6, called the Duet 0.8.5 (multiple unreleased versions came in between) was released in Aug 2015. More

More
details are available of the RepRap wiki here:
 
[http://reprap.org/wiki/Duet]
The source files are here
 
[https://github.com/T3P3/Duet/tree/master/Duet0.8.5https://github.com/T3P3/Duet/tree/master/Archive_Files/Duet0.8.5]
[https://github.com/T3P3/Duet/tree/master/Duet0.8.5https://github.com/T3P3/Duet/tree/master/Archive_Files/Duet0.8.5]
 
==== Duet 0.6 ====
The source files are here:
 
[https://github.com/T3P3/Duet/tree/master/Duet0.6https://github.com/T3P3/Duet/tree/master/Archive_Files/Duet0.6]
[https://github.com/T3P3/Duet/tree/master/Duet0.6https://github.com/T3P3/Duet/tree/master/Archive_Files/Duet0.6]
 
== Hardware difference between Duet 2 and Duet 0.8.5 ==

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