Doesn't the sensor need to be placed before the feeder, because if the last piece of filament passes the feeder, there will be no movement of the filament anymore or will it move due to some "under preassure" from the nozzle ?
In the later case it should be stopped because the flow could not be controlled by the feeder anymore.
Since there are so many feeder designs, maybe we could do another one, based of one of the most wanted designs and include the sensor in it. What do you think ?
If the sensor shows no filament, then:
- The feeder should be shut down / powered off in order to save currency
- The head should be homed and the nozzle + side cooling fans should be shut down / powered off to avoid filament coming out of the nozzle without control of it, destroying the print.
- The firmware should save the current position to sd card / disk to recover print from there.
- Heat bed should stay on in order to be able to continue the print.
Maybe some of these options should be customizable in order to adapt these to the printed fillament.
To recover the print the user should be asked to add new filament, then the print can continue or the user could abort the procedure.
Maybe it could be possible to add a alarm (configurable) to get noticed, when this happens....
Edited by Guest
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Regarding to the Marlin simulator you can follow the links in this post.
You need SDL 1.2 and the easiest way would be to use the project file for Code::Blocks (it's included in the folder "MarlinSimulator").
Good luck!
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