Questions tagged [electronics]

Questions about electronic components for 3D printers or 3D printing electronic components.

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How to check the 'health' of the main board without a thermal camera?

Given that the main board gets warm, potentially wearing out the electronics, how do I check the 'health' of a main board without having a thermal camera? As I understand it could be most easily ...
Bob Ortiz's user avatar
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Can Duet 3 Roto Toolboard work with BigTreeTech mainboard?

I am considering a CAN Bus setup with BIGTREETECH Manta M8P, V1.1 or V2.0 with a Raspberry Pi CM4 2GB WiFi as a mainboard because it is overkill and it shouldn't limit me in any way in a foreseeable ...
Mołot's user avatar
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What are the potential benefits of using ferrite rings on the stepper motor wires regarding performance or accuracy?

I understand that ferrite rings effectively reduce electromagnetic interference (EMI). However, I'm not sure how much stepper motors are exposed to EMI and, therefore, if adding ferrite rings to the ...
Bob Ortiz's user avatar
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1 vote
1 answer
309 views

Is it required to use a data-only USB cable to keep the LCD screen off, when a 3D printer has no other power provided?

I've noticed before that when I use a standard USB-cable to connect my Creality Ender 3 V2 printer using its USB port to a Raspberry Pi 4 and powered off the printer, that the LCD screen of the ...
Bob Ortiz's user avatar
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How to distinguish filament runout and filament jam using a microswitch-based filament sensor in Marlin?

I found two great designs for a DIY sensor that achieve both filament runout and filament jam detection in one unit. A clever design that only uses one microswitch as follows: Source: Thingiverse.com ...
Bob Ortiz's user avatar
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Is it possible to read the state of a specific printer part from the firmware, such as the power of a stepper motor, LCD brightness, or fan speed RPM?

Is it possible to read the state of a specific printer part from Marlin-based firmware such as mriscoc, such as: the power (on or off) of a particular stepper motor; the brightness percentage of the ...
Bob Ortiz's user avatar
  • 1,093
1 vote
3 answers
231 views

Connecting 12 V Laser Module to 24 V Control Board

I have a 3D printer (Artillery Genius Pro) with a 24 V motherboard. I want to connect this motherboard a 12 V laser engraver module. If my motherboard was 12 V (with 12 V, GND, and PWM pins), I ...
bkarpuz's user avatar
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1 answer
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What is a good filament for a frame for holding high amp copper busbar?

I need a frame to hold a copper busbar in place. The busbar is rated up to 200 amps and can be wrapped in an insulator, so the frame will sit around the insulator of the busbar, but I don't know how ...
stanley's user avatar
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1 answer
52 views

Are there any 3D printer boards or expansions that support more than 3 thermistors?

A long time ago, I went through the experience of adding extra thermistors to my 3D printer board. Ultimately, I did get it to work, but it resulted in extra wiring and was not as clean as I would ...
K Mmmm's user avatar
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3D printer G-code problem

I am currently doing a DIY 3D printer using RAMPS1.4 and it works as I have tested all X, Y and Z axis including the extruder extruding filament. I have jogged all the axis using Pronterface Software. ...
Maximus Su's user avatar
2 votes
1 answer
687 views

Modified cable for Ender 5+ LCD touchscreen

I wanted to upgrade my Ender 5 plus to a silent board as it makes a lot of noise. So I chose the BTT SKR 3 EZ board and started to configure it. However, in the Marlin configuration, there was a ...
Shukaname's user avatar
1 vote
1 answer
580 views

Repurpose extruder pin(s) for a parts cooling fan?

I recently picked up a second hand/defective 'Renkforce RF100' printer. A pretty obscure German brand. The problem with it was: broken hotend fan cable which caused clogging that the previous user was ...
Floris's user avatar
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1 vote
2 answers
394 views

Can you 3D print an electrical connection

I am trying to create a two-piece snap-fit or joint using a 3D printer (Resin). After that, I plan to coat the joint with a conductive spray and create an electrical connection when the two pieces are ...
Anwer Ak's user avatar
2 votes
1 answer
412 views

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 ...
Denatural's user avatar
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1 answer
197 views

PID fails too hot temperature with new hotend on Tevo Tornado

I am new to 3D printing. I had a big issue with the full hotend: thermocouple broke, the fan broke, plastic everywhere... (I don't really know why as hundreds of prints were good before) Anyway, I ...
saphozzo's user avatar
1 vote
2 answers
411 views

Will a 12 V Stepper motor work at 24 V?

I have a Prusa MK2.5 which runs at 12 V, the Prusa MK3 runs at 24 V. I noticed that on Prusa's webpage, they list the stepper motors as being compatible with both the MK2 and the MK3 even though they ...
spuder's user avatar
  • 221
1 vote
1 answer
795 views

Pin layout of RAMPS Plus2 board?

I've temporarily acquired two different 3D printers that I'm helping someone reassemble. They are delta style printers that at one point worked great. They were being stored in a large community ...
Joseph Crozier's user avatar
5 votes
2 answers
14k views

What is this stepper motor connector called?

I'm struggling to find the name of a connector I just broke, so I can order a new one. It's a six pin nylon terminal, that plugs into a set of header pins on a stepper motor. What do I search for to ...
Jess's user avatar
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2 answers
392 views

My FlashForge Creator Pro has started to spontaneously restart mid-print, begin vibrating, printing along one axis repeatedly, etc

I've changed SD cards, printed from USB connection, upgraded/reloaded firmware and attempted using different software packages. Nothing has worked yet. When connected via USB, I get a "...
Chuck Crawford's user avatar
2 votes
1 answer
327 views

TronXY X5S system (Marlin) - Very Slow menus

This is my board MKS Melzi v2.0 cloned I replaced the MCU (the actual IC) with new ATmega1284P 16 MHz, because the old MCU was damaged - the reason was that the fan got dusty and the power line ...
ioen jid's user avatar
3 votes
1 answer
3k views

Did I fry my Ender 3 V2 Main Board?

I was replacing the nozzle on my E3D V6 clone and the hotend started turning so I held onto it with pliers while I tightened it. As I did this, the positive wire of the fan that clips onto the E3D V6 ...
D187's user avatar
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2 votes
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115 views

Do you know the inductor L3 value of the Creality V2.2 controller board?

The extruder stepper 'E' of my Ender 5 stopped working some days ago and by looking at the motherboard I found out the inductor L3 burned. I have a Creality V2.2 (CR-10S motherboard) and I would like ...
Bud's user avatar
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7 votes
2 answers
10k views

Ender 3 V2 blank screen and LCD continuous beeping with clicks

So I have been having an ongoing problem with my printer that I just can't solve. I don't usually ask the questions on stack exchanges until my problem gets unsolvable. Unfortunately like this one ...
Casheridan's user avatar
2 votes
3 answers
744 views

Prusa MK3 heatbed shorted: replace just Einsy or heatbed too?

Prusa MK3 heatbed power cable shorted out (on the Einsy side) and it looks like I need to replace the Einsy. Should I replace the heatbed too? I don’t know electronics well and am worried I will just ...
Lyz Ellis's user avatar
1 vote
1 answer
269 views

How should I connect a separated 5 V source to an Arduino connected to a RAMPS board

I'm going to add a Raspberry Pi to my printer, which requires a 5 V source. I want to take this opportunity to also power the Arduino with that same source, as dropping 12 V -> 5 V is a quite big ...
leloctai's user avatar
  • 145
1 vote
0 answers
6k views

Ender 3 v2 hot end fans (nozzle and part cooling fan) not working

Last night I finished printing all the parts for my HeroMe Gen 5 hot end. I decided to just chop off the existing fans and then solder on a JST XH connector to make it easy to change the fans over in ...
djdd87's user avatar
  • 133
1 vote
3 answers
1k views

Effects of static on 3D printers & print quality

I manage four 3D Printers for my college's robotics team. They are used pretty constantly throughout the school year; that is, they are used more as manufacturing printers than hobbyist printers. The ...
Tht1GuyJohn's user avatar
3 votes
1 answer
881 views

Thermistor reading 190 °C constantly

So to set the backdrop of this post, I was cleaning the hotend of a printer (Powerspec i3 Mini v2, which is a Wanhao i3 Mini rebadged and heated bed added) I picked up for cheap. There was some ...
Samlii's user avatar
  • 31
2 votes
3 answers
993 views

Can we apply more voltage to a PCB heated bed to get faster heating?

From my understanding, the power of heater must higher than heat dissipate to ambient air so the bed can heat up. The reason why a bed heats up too slowly is due to its heat capacity compared to ...
M lab's user avatar
  • 169
1 vote
1 answer
1k views

Ender 3 ignores signal from optocoupler

Optocoupler used in conjuction with an inductive sensor on a stock Ender 3, wired like this: Except I also wired a switch to the Z endstop signal and ground. I don't know the switch pin layout so I ...
super autismo's user avatar
1 vote
1 answer
2k views

How to wire an LJ18A3-8-Z/BX sensor with an optocoupler to a stock Ender 3?

I have this optocoupler. and this sensor. I want to wire them together and use them for auto bed leveling. Note, stock Ender 3 board (Creality v1) has 2 pins for its endstop, not 3, so this: won't ...
super autismo's user avatar
0 votes
1 answer
131 views

Hotend not heating

I've a problem with my BQ i3 Hephestos. I've noticed that in the last few prints that I've experienced some temperature drops every now and then. Yesterday, after 3 of a 4 hours long print, the hotend ...
user avatar
1 vote
2 answers
852 views

Short-circuited heatbed

After some months of good quality prints, since yesterday my heatbed does not heat anymore. I've a BQ Prusa i3 Hephestos with this heatbed, controlled by this mechanical relay and powered by this ...
user avatar
0 votes
0 answers
109 views

Identifying and Replacing Capacitor

So during one of my initial experiments I accidentally blew up one of my capacitors. Everything else works on the board except the motor control with the blown capacitor so I'm going to replace it. ...
LDF's user avatar
  • 317
3 votes
1 answer
480 views

CR-10 heating problem

I've been happily printing on my CR-10 for a couple of months but now there is an issue. As soon as I turn it on the hot-end begins heating. I have replaced the heater and the thermistor but the ...
Bikerman's user avatar
1 vote
2 answers
355 views

Wiring heatbed into Main using ATX

I had my 3D printer powered by dual 24 V PSUs wired in parallel and my heatbed was wired into the main using a SSR to help power it. I replaced the two PSUs with a single Corsair 750 W ATX. My printer ...
LDF's user avatar
  • 317
5 votes
1 answer
466 views

What type of plug is this?

I'm not really sure what the type of plug on the heater cable is. Is it a Molex KK or maybe a JST PH? The printer is a Prusa I3 Hephestos (aka BQ Hephestos). It came with this "BQ HOT-END ...
RomanTenger's user avatar
1 vote
2 answers
7k views

How important is it to move the printer's controller board outside of an enclosure?

I am building an enclosure for an Ender 3 Pro printer, and am planning on the power supply and LCD unit being outside the enclosure. How important is it to move the printer controller (where the SD ...
Mike Hedman's user avatar
1 vote
2 answers
216 views

Access uncapped 5 V output on 3D printer controller board

Typically in Arduinos, most of the 5 V outputs that have a limited amount of current (40 mA). Are there any 3D printer boards, or is there even a more usual spot, where you can get a 5&...
K Mmmm's user avatar
  • 1,712
0 votes
2 answers
1k views

Advice on power supply wiring for the UK

I've been looking at the Ender series and decided to take the plunge. But I'm unsure on electrical matters. The 110 or 220 volt switch, I assume goes to 220 V as I live in the UK but my main ...
Andrew Walker's user avatar
1 vote
1 answer
280 views

Using 2x CAT6 cable for 24 V hotend

I'm looking to replace the troublesome ribbon cable of my Duplicator 6 with a 2xCAT6 arrangement for all things extruder. Are 4 26AWG wires (2 sets of 2 twisted pairs) enough copper for 50W heater at ...
Gary Z's user avatar
  • 11
1 vote
2 answers
45 views

Any defacto standards for controlling new tooling options on generic 3D printers (firmware control and signaling)?

Are there any defacto standards for interfacing between common 3D printers and custom extruders or other tooling? I was thinking how it would be good to have switchable nozzle widths mounted on the ...
norlesh's user avatar
  • 123
2 votes
1 answer
439 views

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 ...
Seth A's user avatar
  • 23
4 votes
0 answers
420 views

Difference between Creality V2.1/V2.2 boards? Where to find datasheets?

I can't find an official datasheet for either board. Does anyone know where to find this information? Something that has max voltages, pinouts, etc. Also, what's the difference between the V2.1 and ...
cds333's user avatar
  • 693
3 votes
1 answer
9k views

What does it mean when they say up to 256 interpolation and 16 micro stepping for the TMC step sticks?

I am planning to get a few TMC step sticks for my 3D printer. I wanted to know what does 256 interpolation with 16 micro stepping mean, in simple terms? Does it help? If so, how?
Hussain Bhavnagarwala's user avatar
3 votes
1 answer
3k views

Replacing RAMPS 1.4 for 1.6

During the assembly of my printer, I accidentally shorted the RAMPS 1.4 board, looking for a replacement I found the RAMPS 1.6 which would eliminate the need for a MOSFET power module. My question is,...
Andrés's user avatar
  • 55
2 votes
1 answer
503 views

Can 3d printers be operated at voltages above 24 volts?

Going from 12V electronics to 24V produces a reduction in the overall amount of heat generated in the electronics (that are not intended to get hot). These include the motors, drivers, mosfets and pcb ...
user77232's user avatar
  • 2,428
5 votes
1 answer
2k views

Did I just destroy my MKS Gen L v1.0 board by shorting the stepper driver?

I was attempting to install new TMC2208 chips on my MKS Gen L v1.0. Everything was going swell, I just had one more thing to do. I was checking and tuning the Vref for TMC2208 by measuring voltage ...
Heeba Jigry's user avatar
1 vote
0 answers
52 views

Anet A6 Just finished the assembly, has power but wont turn on

I finished assembly of the Anet A6. The green light on the power box comes on with the fuse removed, turns off when it is put back in place. When checking it with a voltage meter it looks like power ...
Joe Frink's user avatar
3 votes
5 answers
162 views

3D Print Enclosure

Developing an electronic product for which I'll need an enclosure. It's about 50x30x20mm and should survive higher temperatures (50-60 degrees). Because of the low volume (under 500 required per year),...
Alex's user avatar
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