Bigtreetech smart filament sensor

Paddy

I'm using FW 3 on my duet wifi. Will the Bigtreetech smart filament sensor work with the duet wifi?

There's little info on it but it says it will work with any board with a break detection interface. It looks like it is a rotary sensor but not sure if it is magnetic or optical.

Danal

use a continuity tester or voltmeter to see what it outputs...

minim

Hi. Did u succeed using this sensor? Considering getting one to test..

omni

Same question - I just finished making all the cables for my new DUET 2 ethernet setup - and connected the Bigreetech smart filament sensor physically, but haven't found any info on setting up the sensor in Raprap properly....

Since the sensor should work in Marlin 2.0 pretty much seamlessly - maybe we can check in the source? Does anyone have any ideas?

zapta

Is this the product you try to connect? https://github.com/bigtreetech/smart-filament-detection-module/blob/master/manual/smart filament sensor module manual191205.pdf

It works also on 3.3V (good), has GND, power and signal wires, and the 'break interface' sounds as an on/off output. In Duet's terminology, this sounds a 'filament run-out sensor' (not to be confused with a 'filament monitor').

https://duet3d.dozuki.com/Wiki/Connecting_and_configuring_filament-out_sensors

omni

@zapta Thanks for the answer.

Yes, that is the product. I have already connected the wiring to the E0 stop properly (+3V, Signal, GND) - but I have seen on the other post (here) that another user has been having problems in setting it in firmware.... it's a pulse sensor it has a rotary encoder (I don't know if it's an optical or magnet one, haven't disassembled it completely). That is why I was asking if anyone had success in setting it up properly...

zapta

@omni, if it's a pulse generating sensor, does option #7 here work? https://duet3d.dozuki.com/Wiki/Gcode#Section_M591_Configure_filament_sensing

(you will also need to specify pulses per millimeter, the Duet input you are using, and the extruder it relates to)

omni

@zapta

Thanks for the answer.
I've tried it yesterday - but it seems that Duet is not recording any data from the sensor.

I configured the sensor as following, just to log data when printing :

M591 D0 P7 C"^e0stop" L0.07853981634 R90:110 E3 S0

but it did not receive any data.

Any ideas on what I can try is highly appreciated.

Thanks again

eight_heads

@omni any luck? I have one of these on hand I use on my Marlin machines and would like to use it as well.

arhi

@eight_heads lemme answer before he gets online (he's not very active on forum ). it works on his board, the config does not need pullup and need much bigger values as it is low res

so something like

M591 D0 P7 C"e0stop" L7 R50:200 E15 S0

phcella

@arhi do you test it on your board?
I want to buy the same sensor you did.

arhi

@phcella said in Bigtreetech smart filament sensor:

@arhi do you test it on your board?
I want to buy the same sensor you did.

I am not using btr smart filament sensor

Stockerbot

@eight_heads I just used @arhi config and tested the BTT Smart Filament sensor on my Duet WIFI - Seems to be working perfectly!

M591 D0 P7 C"e0stop" L7 R50:200 E15 S0

Stockerbot

@phcella I just tested, success!

omni

Mine worked well for a while and then started to give false warnings and stops (under extrusion), and now it does not work at all. I guess that maybe the spring holding the wheel got loose and it's not rotating enough while the filament is passing, but haven't opened it yet to check....

phcella

@Stockerbot Thanks, I will buy one to test it.