General information collated into the most often asked questions and answers.
NOT an official Anycubic-operated forum; just customers discussing their machines.

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Install a Raspberry Pi into a Mega i3 S?

by HeliTom

I am planning to add a Raspberry 3 Pi to my Mega i3s Printer.

Has anyone installed one inside the base, or do they need to be outside?
Thanks in advance,.

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Heatbed on 0 degree

by Sirhase3

Hello, I have the problem that mid-print the bed temperature dropped to 0. I replaced the NTC and the cables but still, the temperature is still on 0. I took the resistance of the NTC and I got near 100 k ohms. Now I'm running out of options because I don't want to buy a new heatbed because I don't know if the problem is the heatbed or the motherboard. Does someone know what I could do?

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Error during verify/compile of marlin 1.1.9

by Snazer

Hi all,

I am looking to compile a firmware and encountered this error : DIO31_RPORT was not declared in this scope.

Can anyone help?

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TMC 2208 there is a lot of confusion on this topic...

by Daddyguitar

Hi guys, i've decided to change the stock steppere motor with the TMC 2208, but everywhere I'm looking for some information I only find a lot of confusion.
Let's start by saying I'v already purchase 4 TCM 2208 GeeekPi V2.

-The easy part is, as I've understood, to mount them tilted 180° so that the GRD on the 2208 match the GRD on the motherboard. So I only need to check GND position
-Even the Vref setting looks kind of easy to me
-The real problem is abuot invertig the connector or not....someone say you always need to do that, sameone say with V2 TMC 2208 you don't need to do that, someone say that with V2 you HAVE to do it, some one say that with V3 you don't have to do it, somone say that with V3 averything is super easy because it's plug and play because it automatically tkes care of every setting and, in the end, someone say that the V3 is the most difficult because you have to do tons of settings...

I'm really confused...can some one point me to an article or something that explain if I need to invert the cables or not? Is it an information that comes with the "TMC2208 stepper motors manual"?

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I3 Mega TriGorilla with T0 failing on the board

by WillCut

So I've had two I3 Mega's for a while. Couple of years ago I remember have T0 errors that I couldn't resolve and ended up getting another TriGorilla board that fixed the issue. Both Machines are using the newest Marlin firmware. Standard steppers but upgraded v6 hotends and using the X-Carriage [MK4].

Fast forward till recent. I had a print fail when the print head went hyperbolic after the sensor failed. I'm a bit shocked that the thermal runaway didnt shut it down but luckily I was close and noticed the smell. love burnt plastic... yummy.

Ok, fine. I need a new print head/sensor... ordered another china v6 clone like I always use. clipped the ends, re-soldered the connections and put the new one in... fire it up and am greeted with 0/0 for the hotend. I assumed the temp sensor is bad.

I whip out a spare and solder it to a connector and plug it in... still 0 degs, not registering.... maybe the spare is bad as well... I plug that into my running I3 Mega and it works fine... press my finger on the sensor and the temp goes up like expected.

This is the SAME issue I had years ago with the other board.

For a sanity check I rip apart my running I3 Mega and yank its board out, putting it in the "bad" I3 Mega... works like a champ so its not a connector issue or the little daughterboard that brings the T0 connection to the board.

What now? Has anyone else had the T0 sensor fail on the board itself? is there a way I can use T2/T3? do I need to buy another board?
I've tried to re-flash the board but it still doesn't work. All the forums I search with T0 issues are usually related to the sensor itself or the wiring and I know in my case that is not the issue.

Any thoughts?

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Just acquired Anycubic i3 Mega S

by timb12957

I have just purchased a used i3 Mega S. I need someone to point me in the right direction for a total newb. I have autocad experience, and desktop laser experience, but know nothing about a 3d printer. I'm sure there is a place for a complete greenhorn like me to learn the ropes! Thanks

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Mega x print fan not working

by TheMichael

Hello guys, recently my print cooling fan decided to stop working. The fan itself isn't broken. Fan connector on the smaller board output shows 0v. Any suggestions what could be the problem?

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Best Slicer to use?

by Armor9

Currently I am using the latest version of Cura for my slicer but is that the best one to use? I have heard good things about Prusa but never used it. Can anyone give their input and insight into the different slicer and if it is worthwhile to change? Thanks.

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