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 Post subject: Filament width sensor?
PostPosted: Fri Aug 11, 2017 7:34 pm 
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Joined: Fri Dec 27, 2013 9:33 pm
Posts: 27
I have just built a filament width sensor, and would like to use it on my k8200 3drag.
BUT.. I already have bedlevelling with servo, so that pin is busy.
The sensor outputs 0-5v so it should be an analog input? In Marlin there are only connectioninstructions
for Ramps1.4, PrintrBoard and Rambo.
So is it possible? I should say i am thinking of adding a display also, so maybe there are no free pins?

Have started to hunt pins... I don't know if i am understanding all correct..
My god so confusing it suddenly is.. When i bought it 5years ago it was not so many includes in marlin..
Now an include includes a bunch of includes???

Am i correct that in the end "pins_RAMPS.h" is included?????
If so: #ifndef FILWIDTH_PIN
#define FILWIDTH_PIN 5 // Analog Input on AUX2
#endif

Which i have traced to PF5 on Atmega2560... Correct? That pin is not broken out on the controller?

Please help ;)


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PostPosted: Mon Aug 14, 2017 11:23 pm 
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Joined: Fri Dec 27, 2013 9:33 pm
Posts: 27
I got it working. I soldered a wire on the board on the cpu to get the input needed. Was no sweat as i have the knowledge of these extremely small solderingpoints
from my days as a ps2 modder.

The sensor works in any case.


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