3D Printing Stack Exchange
3D Printing Stack Exchange

Questions tagged [serial-connection]

Originally means a data connection where a single bit of information is transferred in or out one bit at a time. Today it means a data connection following the RS-232 standard, either physically or over a software/hardware USB layer.

RS 232 port

An example of an RS232 connector.

USB-RS232 adapter

An example USB-RS232 adapter. Mostly they need driver support to implement an RS232 over the USB.

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Issues with OctoPi connecting to FlashForge Creator Pro via Serial Communication

I've recently initialized OctoPi onto my Raspberry Pi, proceeded to connect it to my local internet, and then connected it to my FlashForge Creator Pro (2014 edition) Everything seemed to be going smoothly until I tried to connect to the printer;…
Dimitry M
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Sending G-code commands to Hyrel System 30M using python

I am using python 3.6 with pySerial library to connect to the Hyrel System 30M 3D Printer. I am able to read the data from the device but unable to write any commands to it Here is the code: ser = serial.Serial() ser.port = 'COM4' …
Varun Kumthekar
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MKS GEN L looks dead

In an attempt to upgrade my Ender 3 to TMC2208, I bought an MKS GENL 1.0 board from Banggood, but it doesn't get recognized from the Windows Device Manager at all: no COM port, no "Unknown Device", no beep when connected/disconnected via USB. I have…
Roberto Lo Giacco
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Controlling a 3D printer with another Arduino device over serial

If this is a silly question I apologize but I am trying to establish a serial connection between a 3D printer (Ender 3) and an Arduino Nano over the USB port. I am able to connect the 3D printer to a serial monitor on my PC and send G-code to it…
Sebastian Pelletier
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Adding a TMC2209 driver to BIGTREETECH SKR mini E3 V3.0 control board using Marlin

I haven't started on the hardware for this project yet as I'm still waiting for delivery, but I would just like to sense-check my current software mods and hardware plans to see if I'm along the right lines. I am going to take the BIGTREETECH SKR…
eng_giraffe
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'Ask' printer for printing status

I'm using Artillery Hornet printer running Marlin firmware. Is there a way to ask/query printer status via its USB/Serial interface? Without OctoPrint, etc. Example (something like this): Arduino: Hey are you done printing? Printer: Not yet This…
iqfareez
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Is it possible to send/receive serial messages from/to Ender 3 mainboards (not USB!)?

I want to connect an Arduino or similar MCU board to an Ender 3 mainboard and make them communicate. I don't want to use USB. Are there any pins on the controller boards to achieve this? I found in the Marlin G-code reference the M118 (serial print)…
Denatural
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OctoPrint Unable to Connect to Lulzbot Mini

We have a Lulzbot Mini at my office (i.e. it's not my personal printer). It's connected to an OctoPi and I've been able to get just one file to print on it (which I had to cancel due to leveling issues). Others have used it successfully in the…
p.s.w.g
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Print from SD and connect to serial host at the same time

I am wondering if it is possible to print with a 3D printer from an SD card and connect to a serial host at the same time. I want to use the Marlin M118 serial print command to trigger custom functions running on a Raspberry Pi. The RPi would be…
Seth A
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Sending G-code through USB serial doesn't work (Ender 3)

Recently I was gifted an Ender 3 3D printer. I'm trying to use a Raspberry Pi Zero W to send commands to the printer remotely, if I get this to work the idea is to instruct the RPi to pull G-code files over the internet and then send it to the…
Matteo Xon
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Printrbot Metal Plus wireless printing with ESP3D

Several years ago, I purchased a Printrbot Metal Plus with a dual extruder option and the LCD attachment/accessory. Printrbot has now gone out of business, and the USB connection isn't working very well for reasons I'm not quite sure of (It has…
user14313
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Octoprint does not detect Serial port of RPi zero

I am following the tutorial of Prusa for using Octoprint with my Prusa i3 MK3. I have a Raspbery Pi Zero and I'm using the built-in GPIO pins, not an USB connection. Wifi works. I can reach the Raspberry via HTTP and SSH I have enabled [RPi Port]…
Thomas Weller
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Flsun Q5 returns 'ok 0' as response to every command

I have a Flsun Q5 which I am trying to get to communicate with my python script. The script is this: import serial from time import sleep COMMAND = 'M105' # Request for temperature ser = serial.Serial(port='COM4',…
Broteen Das
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What causes checksum mismatch error while printing from OctoPrint?

Recently, I've installed a new BIGTREETECH SKR mini E3 V3.0 board on Creality Ender-5. Previously, I was using SKR mini E3 V1.2 board, but it broke down and I had to replace it. I connected new one exactly like the previous board and calibrated the…
kosteklvp
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Receive M114 command while printing using Printrun

I'm working on a project for which I use the Printrun package to serial communicate my G-code to my 3D printer (Creality Ender 3, Marlin firmware). The idea is that I have an external button connected to an Arduino such that whenever I press this…
Madie
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