I solved this problem. Further reading I discovered that in my M665 settings I had entered diameters instead of radii. I changed those and immediately I was able to initiate auto callibration.

My guess is that the repeated and frequent"Attempting to extrude with no tool selected" messages are causing the firmware to run out of output buffers. Try selecting a tool and enabling cold extrusion.

@bearcattd said in Duet webcam:

@frank26080115

I think I am close...which board do I choose in Arduino? the ESP32 board file added 40-50 new boards.

Thanks!

M5Stack-Core-ESP32 works for me, there's no clear instructions on this so I guessed it, since M5Stack is the seller.

Bit late to the party here but here are a couple other factors that can affect the printed part sizing.

Backlash in axis. Backlash due to loose belts, excessively compliant mechanics, etc can present as oval holes if one axis suffers from significant backlash and the other does not. This is pretty easy to check. If you have a dial indicator you can use that to take two measurements at the same axis position, approaching the measurement point from opposite directions for each reading. If you don't have a dial you can print a large and small part to see if the error is an absolute value or scales with part size. Absolute error would indicate something mechanical like backlash rather than a material setting / steps/mm issue.

Another easy backlash check is to look at the first layer of the part. IF the diagonal fill lines appear to be in sets of two (two lines close together, a small gap, then another two lines close together) this indicates excessive backlash in an axis.

Material shrink. Plastics will always shrink a little bit while cooling. For a PLA I print with a lot I see shrink rates around 0.5%, around 0.1mm over 20mm (for my printer and material). Extrusion factor can't correct for this error and it's also not really a positioning error as my axes move very accurately. It's possible to scale x/y steps but I prefer to keep the positioning steps correct and scale up my part in the slicer in XY by my shrink rate. Z tends to be pretty stable and not need scaling for shrink in my experience.

thank you very much .
I am gonna check the bed , maybe I can try to buy another one , it is simple 4mm glass , so not a big deal and I still can use as a spare.
Also I 'll check the road if bended. Do you think I can exclude Y carriage as the cause ?

Mesh leveling works better after I am switched from Marlin to Klipper , i like this firmware very much and gave at this " old" 8 bit ramps based printer a big pimp 🙂

FTP is a much quicker way to do it over the network, but you can right click and download files and multiple selections of files.

I think of it as m208 is where the nozzle can get to and m557 is where the probe can get to.

There's also this alternative to the PanelDue using a tablet that is completely customizable.

https://forum.duet3d.com/topic/9169/dueui-an-alternate-web-interface

400 degrees plus with a chamber temperature of maximum of 80 degrees. The hexagonal shape is based on the design of the delta from 4 years or so ago, i did go on kickstarter to sell them but it was when all the cheap printers were appearing and mine was too expensive, although a very well designed machine. The hexagonal shape will make the the sides easy to manufacture. Tony Lock should remember this machine.

I will be printing PVDF next week at work with it in a fume cupboard, if it over temperatures to 320 degrees it can release hydrogen fluoride.

@bot

No worries! I appreciate all the help I can get.

@mmiscool said in serial for LCD to just normal serial.:

Do you know if the serial pins that would normally come off of the USB to serial converter on a normal ramps board are exposed? Might be easier to try and find them.

The processor on the Duet has a true USB port, so there is no serial-to-USB converter.

@zapta said in Servo / motor noises:

is this related to micro-stepping?

to a certain degree. but mainly because the ender 3 steppers are low current steppers.

@deckingman thanks. Yeah, the different tool settings are intentional.

Given the behavior I'm having is very specific, I would also doubt the config things, but I'll fix them up and see.

@veti said in Hot end / thermistor problem:

put some nylon spacer in between.

I doubt that Nylon will withstand the temperature of the heater block. I suggest some new glass fibre sleeving. Or change the heater block for one that accepts a cartridge thermistor.

Arms that I placed an order for will be 450mm and I will be using the smart effector. Bed size is 370mm with a build volume of 455mm. I'm altering an Anycubic Predator and while I would love to model it in Fusion I imagine it would take a great deal longer for me to figure that out than the few days I have to change my order 🙂 Any chance that info is sufficient in figuring out if it would be problematic?

Thanks for your thoughts!

The only new products we have in the pipeline are Duet 3 main board + expansion board(s), the magnetic filament monitor, and another add-on that is relevant to particular printer configurations only. Duet 3 does not replace Duet 2 except in high end systems where Duet 2 is reaching the limit of its expandability and performance, and we won't be shipping it for several months. So there is no reason to delay purchasing the existing products.

I'm not party to the reasons why Canadian resellers have low stocks, but it may be related to the increasing demand for Duet 2 products. We have been struggling to get Duets manufactured fast enough satisfy orders promptly. However, our automated test equipment coming on-stream, and we will shortly be using a second UK-based company to manufacture Duets as well as our existing one. So any existing shortages should be short-lived if they are caused by shortages at our end.

@lucagirolamo said in Duet to move a 3 DOF robot:

I am sorry, the endstops for the 2 arms are under the base of the robot, so I could see them first.

It helps to have endstop switches (homing switches) built in. Without them (or an equivalent, such as absolute encoders on the motors), the firmware can't tell what the position of the arns is at power up. This can be worked around when using linear kinematics, but not easily when using nonlinear kinematics such as provided by that arm.

@st-taw said in M109 command does not run tool change macro's:

On a similar note I have
M0 in the Cancel.g which also deselects the tool without running the tfree?.g macro. I have resolved this by putting a T-1 before it.

I will investigate this. Note, you can define what M0 does by creating a stop.g file.

Is there any documentation which describes which commands select and deselect tools without running there respective free, pre and post macro's?

The intention is that the tool change macros are always run, unless one of the following is true:

One or more axes are flagged as not having been homed; You use the T command with a P parameter to specify that you do not want some of the tool change files to be run.

In any other situation, not running tool change files on a tool change is a bug.

Choose one of your tool Z offsets to be zero, then specify the Z probe trigger height and the Z offset of the other tool relative to that.

Note, in firmware 2.02, tool offsets are not applied within the tool change files. In firmware 2.03beta3, they are.

If you want to do ditto or mirror printing, you will need to get the two tools at the same height.

Does your printer have bed levelling screws? if so then I suggest you look at https://duet3d.dozuki.com/Wiki/Using_the_manual_bed_levelling_assistant.