BIGTREETECH SKR Mini E3 V2.0 Control Board 32Bit Silent Motherboard

Bought this for my 2020 ender 3 pro, along with their tft35 e3 v3 touchscreen and a genuine bltouch. My printer is so much quieter now. I'd consider this a must-have upgrade for an ender 3 pro. Install wasn't extremely difficult, but there are some things to note. 1. Unplugging cables from your stock ender motherboard is a pain because they put hot glue all over the plugs at the factory. You will spend a significant amount of time removing those hot glue blobs before you can unplug all your e-motors and end stop switches. This was probably the most time consuming part of the install for me. 2. Swapping the wires from the old motherboard to the new motherboard can be tricky. The main power wires aren't very long so I had to move wires over from the old board to the new board one at a time, with the new board hanging right in front of the old board. 3. For firmware you have two options. Either run the latest pre-compiled firmware for your printer from the BTT github(with options for ABL or no ABL) which is as easy as putting the file on an SD card and turning on the printer which auto-installs the firmware from the sd card, or download the latest marlin release source files and edit/compile your own firmware. I won't get in to the details here but editing/compiling your own firmware is much better and you'll end up with firmware that is better tailored to your printer, and you'll have a better baseline to tweak in order to dial in those prints and ABL performance. Plenty of guides and videos out there for editing/compiling marlin firmware, and marlin has a discord with plenty of really helpful folks to give you advice or instructions if you need it.

Worked for about a month the return window is so small it is pointless good for doa thats it ..... they dont have a long return window cause its a crap product beware .... Screen still works but the board not so much... screen reads no printer attached ive tried new thermistor and firmware nothing helped cross referenced my other btt mini e3 v2 to verify So i guess buy quality not this cheap chinese crap....... Update got replaced board found there is no power loss print resume function just lost 2 prints due to power loss stock ender 5 however had my back

I purchased this board in conjunction with a Microswiss hot end/direct drive conversion, and a BLTouch bed leveling sensor. Installation was easy as all connectors line up in the same location. No need to re-route any wiring. Installation was easy and required only removing the cover of the control box housing, a standard screwdriver, and some tweezers for moving around the wires. The base firmware and on-board drivers made the printer AMAZINGLY quiet, and the downloadable firmware udpdate from Bigtreetech made installing the BLTouch a breeze, using the sensor port on the board. No need to disconnect the original z-stop. I was also able to adjust the probe offsets right in the printer configuration. No need to manually edit, and burn new firmware, and no need to buy an upgraded LCD. All my original components work seamlessly with the board. It even came with a little 128MB microSD flash card that was loaded with a stock version of the firmware, and sample print code. I absolutely recommend this SKR mini E3 V.2 board upgrade for anyone who owns an Ender-3.

Purchased a used Ender 3 to repair, had an older Creality 4.2.2 mainboard with the noisy stepper drivers and a failed SD card port. Have run machines with the BTT SKR boards before, but the E3V2 was a direct fit and easy to install. Took ~30 minutes to tip machine over, remove cover and motherboard mounting bolts, swap wires over one by one, and power back up. Please be aware, that the cooling fan on the Ender 3 case plugs into the FAN1 plug, and only spins when the stepper motors are enabled. I was worried I got a dud at first, but make sure to hold off on returning until you home the machine and see the FAN1 turn on. Completely eliminates noise from the machine operation, makign the fans the loudest part of operation. I was able to do a test print immediately after installation without any firmware updates or changes. Would recommend highly, cheaper and just as good if not better than the stock Creality boards.

Don't get me wrong, great product. Just be sure to study up on what all needs to be done before jumping into the switch. You will need to compile a firmware (simple once you finally understand what to do. YouTube and Reddit helped a lot.), wire it in, and adjust EESTEPS! At one time my Extruder quit working, traced it back to the board. No idea what was causing it, but I hit the reset button on board and I was going again. Just had to refresh firmware. If you know what you're doing, go for it.

This board worked well for the one print it survived LOL... I wired everything up in my Ender 3 and it worked perfectly for a singular print. I bought two Bambu Lab printers and shelved it for a few months until I had time to tinker with the Ender 3 once more. I found that the X-Axis stepper driver had died when testing movement w/ Klipper. I confirmed this by plugging the X motor into the Y-driver and it worked. I also tested it with a TMC_dump and confirmed that the problem was with the driver. The board itself was fantastic while it worked (silent compared to the stock Creality board) and very easy to plug everything back into (easy to read pinouts and direct plug/play with the Ender 3 stock components), but for it to fail after only one print is a little ridiculous for the cost. I read that the V3 updated some things and that it's common for the V1 and V2 X-Axis to die, but if that's the case they shouldn't even be selling these anymore. Maybe I just got a bad board, but I feel like I wasted money on what otherwise would have been a very nice upgrade. There were no overheating issues to my knowledge, the sd card was easy to use and flash just like a creality board, and I would have liked the extra features (if I was able to use them). I'd suggest getting the V3 as there is quite honestly no point in buying the V2 at this point...

I tested with the board using the shipped firmware meant for the Ender 3 and it worked great other than bed size being slightly too small. I went through compiling my own with VSCode and Platform.io, using the CR-10 mini example config files from the main Marlin branch to adjust settings where needed line by line. The only problem I ran into with the firmware I compiled was that I defined the speaker like I would for the stock Creality board, except the BigTreeTech has a buzzer and not a speaker. Commented this out and now it beeps, but of course only at one frequency since it's not a speaker. Slightly disappointed that I can no longer play distinct tones but that's minor. I can't tell a difference in print quality, but the noise level difference is dramatic. As you would expect, you only hear the sound of the belts and things physically moving, and not the motors themselves. This makes working from home next to my printer bearable without headphones, which is what I was aiming for. Second picture I posted is 3 different firmware. Stock Creality CR-10 on the 8 bit board, then the shipped BigTreeTech firmware, then the firmware I compiled using BigTreeTech's github repo and just a few settings tweaked for the CR-10 Mini. I cannot tell a difference in quality. Material is Sainsmart TPU printed at 35mm/s. Pretty happy with this so far. If you want a quieter printer, this is a worthwhile upgrade!

Way quieter than the stock (non-silent) Creality board. Makes my prints look slightly better as well. Definitely worth upgrading to just for the better firmware customization alone. I used TH3D's Unified 2 software, was planning on using Marlin, ran into some problems as the branch for the Ender 5's config files in the BTT GitHub was apparently not for the same version as the bugfix version of Marlin. Apparently this has been fixed but I've never needed to go back and customize my fw any further. I will probably switch to Marlin sooner or later. If you need help setting this board up, Teaching Tech has great videos on this. Followed his Ender 3 video and it went well, even though Marlin didn't work for me, it was still useful to know where and how to do things like flash the firmware and where the cables go. He provides the needed diagrams. If you buy this board and plan to switch out a stock creality board, you will quickly find out that hot glue is possibly the worst thing in the world.

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El paquete llegó algo aplastado, pero eso es cosa del sistema de envíos de Amazon y no es culpa del comprador. Por suerte la tarjeta no se dañó y funciona sin ningún problema. Gracias a los drivers TMC2209 que vienen en esta tarjeta la Ender 3 se vuelve bastante silenciosa, básicamente el único ruido producido por la impresora se debe a los ventiladores. Además, a estos drivers se les pueden cambiar los voltajes de referencia directamente desde una terminal con gcode, ya no es necesario tocar los potenciómetros con un destornillador e incluye un puerto extra para conectar un segundo motor del eje z, por si en algún momento deciden modificar su Ender 3 con doble eje z. En general totalmente satisfecho con la compra, definitivamente recomendada.