Difference between revisions of "ESR"
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== History == | == History == | ||
All improvements introduced were implemented to the existing line, obsoleting previous versions (with no price increases): | |||
* The Engine was introduced during our 2012 Kickstarter campaign with five different configurations: | * The Engine was introduced during our 2012 Kickstarter campaign with five different configurations: | ||
| Line 22: | Line 24: | ||
** E5 Professional: four filament heads, heated bed, computer | ** E5 Professional: four filament heads, heated bed, computer | ||
* The ESR (Engine, Standard Resolution) name changed in 2016 to avoid confusion with the new EHR (Engine, High Resolution) | * The ESR (Engine, Standard Resolution) name changed in 2016 to avoid confusion with the new EHR (Engine, High Resolution) | ||
* The ESR v2 | * The ESR v2 began shipping in January 2021, equipped with better motors with closed-loop feedback and quieter operation. | ||
* As of June 2021, all units are CE marked. | |||
== Internals == | |||
Here is an explanation of the internal electronics of the ESR; click any images for larger versions: | |||
=== Tablet Interface Board === | |||
Tablet Interface Board (with STM407 Motion Controller) has Internal and External Ports. | |||
The current board, circa 2021. | |||
[[File:30M_ESR_TIB_2021.png|600px]] | |||
=== Spine Board === | |||
The Spine Board has Axis Control Internal and External Ports. | |||
The new board, circa 2021. | |||
[[File:Spine_orig.jpg|600px]] | |||
The original board, most recent revision. | |||
[[File:Spine_orig.jpg|600px]] | |||
Latest revision as of 14:01, 24 June 2021
The ESR is our leading unenclosed desktop printer.
Technical Data
Technical specifications and accessory compatibility for printers currently shipping are detailed in the comparison chart on the Printer Overview page.
History
All improvements introduced were implemented to the existing line, obsoleting previous versions (with no price increases):
- The Engine was introduced during our 2012 Kickstarter campaign with five different configurations:
- E1 Tinkerer: one filament head, no heated bed, no computer
- E2 Hobbyist: one filament head, heated bed, no computer
- E3 Apprentice: one filament head, heated bed, computer - this became the standard model after the Kickstarter
- E4 Journeyman: two filament heads, heated bed, computer
- E5 Professional: four filament heads, heated bed, computer
- The ESR (Engine, Standard Resolution) name changed in 2016 to avoid confusion with the new EHR (Engine, High Resolution)
- The ESR v2 began shipping in January 2021, equipped with better motors with closed-loop feedback and quieter operation.
- As of June 2021, all units are CE marked.
Internals
Here is an explanation of the internal electronics of the ESR; click any images for larger versions:
Tablet Interface Board
Tablet Interface Board (with STM407 Motion Controller) has Internal and External Ports.
The current board, circa 2021.
Spine Board
The Spine Board has Axis Control Internal and External Ports.
The new board, circa 2021.
The original board, most recent revision.