RepRap firmware on SKR mainboard guide - The best firmware on a budget
ฝัง
- เผยแพร่เมื่อ 8 ก.ค. 2020
- RepRap firmware, usually found on the high quality but expensive Duet3D hardware, can now be installed on the biggest bang for your buck Bigtreetech SKR mainboards. In this video I take you through step by step how to get it all working, thanks to some outstanding work by the community. Timestamps below.
Purchase the SKR V1.4 Turbo wit TMC2209 drivers:
Amazon: amzn.to/2CnCDgz
Aliexpress: s.click.aliexpress.com/e/_d7x...
Purchase the bare NodeMCU ESP8266 wifi module:
Amazon:amzn.to/2W2EEpz
Aliexpress: s.click.aliexpress.com/e/_dYi...
Purchase the premade and tested ESP8266 module (so much easier!): www.tindie.com/products/pcr/r...
Purchase a Raspberry Pi: amzn.to/3gp3kkA
Purchase a premade cable adaptor for connecting a Pi (much easier!): www.tindie.com/products/pcr/r...
General resources:
Jay’s blog post: www.jayuk.org/compiling-and-r...
Gloomyandy GitHub wiki: github.com/gloomyandy/RepRapF...
Gloomyandy GitHub releases (for firmware binary files): github.com/gloomyandy/RepRapF...
LPC RRF online configurator: jaysuk.github.io/LPCConfigura...
RepRap firmware gcode reference: duet3d.dozuki.com/Wiki/Gcode
Waggster mod - BLtouch on Artillery3D using the ribbon cable: www.thingiverse.com/thing:371...
Timestamps:
0:16 Introduction
1:09 Overview & price comparison of Duet vs SKR hardware
2:22 Where to find documentation
3:13 Comparison of three installation methods
3:53 Artilery3D Sidewinder X1 suitability
4:33 Method 1 - Barebones (RRF on SKR with tft touchscreen - no web interface) imgur.com/a/j2SMbU8
6:39 MKS TFT28 touch screen configuration
Wiring diagram: imgur.com/a/mXDyowK
TFT28 firmware: gum.co/cpQzV
8:01 Method 2 - ESP8266 WIFI (RFF on SKR with full web interface) imgur.com/a/uELP8Q5
Order the ESP8266 and breakout board ready to go: www.tindie.com/products/pcr/r...
Or if doing it all yourself…
ESP8266 firmware image: github.com/gloomyandy/DuetWiF...
ESPtool.py: github.com/espressif/esptool
Wiki instructions for firmware flash: github.com/gloomyandy/RepRapF...
Wiki instructions for wiring: github.com/gloomyandy/RepRapF...
Fritzing schematic: drive.google.com/file/d/1jg0F...
Supplementary diagram to show SKR pins with schematic: imgur.com/a/waRnVlH
10:06 Method 3 - Raspberry Pi as an SBC / SKR in tethered mode (RFF on SKR and Pi with full web interface) imgur.com/a/za7tlkC
Raspberry Pi image from link in wiki: github.com/gloomyandy/RepRapF...
Burn to Pi SD card with win32diskimager (make sure you have the right drive!): sourceforge.net/projects/win3...
Boot Pi and connect via SSH with Putty. Username is ‘pi’ and password is ‘raspberry’: putty.org/
Copy the automated build lines from the wiki one at a time, right click to paste into putty and then press enter. The third line runs the script and takes some time.
Purchase a premade cable adaptor for connecting a Pi (much easier!): www.tindie.com/products/pcr/r...
Wiki page for wiring Pi to SKR: github.com/gloomyandy/RepRapF...
Wiring diagram: imgur.com/a/5cJhSPf
Connect everything as per diagram and power up Pi and SKR.
Go to ‘system’ tab of the web interface and upload the system files previously generated by the online configurator.
13:48 Creating a cut out for the SD card in the casing of the X1
14:17 Using old phone or tablet as a printer touch screen via the web interface
14:27 Pin names for setting up RepRap firmware: github.com/gloomyandy/RepRapF...
14:41 Sensorless homing wiki: github.com/gloomyandy/RepRapF...
If not using this you must cut the diag pin from TMC2209s
15:02 BLtouch guide I used: betrue3d.dk/bltouch-on-duet-w...
My final config.g file (BLtouch connected to servo and probe ports on SKR V1.4 Turbo: pastebin.com/QqPA3Uzu
deployprobe.g is needed in sys folder: pastebin.com/y853Va6y
retractprobe.g is also needed in sys folder: pastebin.com/NaGUR05R
15:30 Outro
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I've been wanting to do this since it became available for the SKR. Thanks for putting together a guide to save me some time! I can't wait to put one of these in the X301.
I’m actually in the process of converting my CR-10 S4 over to an SKR 1.4 Turbo, I think this might be the move for this printer!!! Thank you Michael.
Wow, great project, fantastic to see this new approach.
Thanks for sharing your endeavor 👍😁
Thank you master for all your time and goodwill to teach this.
I modified my original Robo R2 and added a second extruder and a lot of other things.
This video was essential to put all together.
Three years later I'm trying to get a BTT E3 RRF board to behave itself, and this video was exactly what I needed. Thank you 😊
Mike. Thank you for your videos. I can see how helpful they are and with my Ender3 Pro, you have helped me there. Watching this latest video I feel I can attempt to do same for my printer. Again, THANK YOU
Wow a lot of work went into this video. Awesome job
There was plenty from me, but rally I was utilising the great work of others.
Hi! Thank you for sharing your big experience.
I had been wanting to try the Reprap firmware for a while, and your video was the right input!
I just wanted to add that all those resistors on the ESP8266 module are not really necessary.
ESP mcu works with the same voltage level (3.3V) as the LPC17XX main processor.
At the moment I have only kept the pull-down resistor on the RESET pin and it works without problems.
I also added "M552 S1" at the end of my config file in order to start WiFi interface as soon as printer go on.
Its only for saftey measures ;) Duet does it the same way with their atmel one! Better Safe than sorry!
Really god job! I love your videos. Great content and well explained. Go on!
Great video Michael, I have only used Marlin but this looks really interesting.
this is tempting i will give it a go in the future thanks for making this video
from Colombia a hug and your content is great
Nice tutorial. I'm currently troubleshooting an Ender 3 Pro that has stopped extruding. If it ends up being a blown driver, then this upgrade is definitely near the top of the list of options. (I was originally thinking of your SKR e3 Mini tutorial)
You are such a gem to the community. Nice work!
Another quality video, thanks ! I'd really like to see a Pro's/ Con's comparison with Marlin 2.0 on an SKR 1.3 / 1.4
Considering this down the track.
I’d love to see this too, so I will vote for the comparison as well. I have an SKR 1.4T right here in my hot little hands that I am about to throw in my SWX1. Worked on compiling the latest build of Marlin for it last night so that’s going on first, but I am curious about RepRap. Ultimately in my decision making process, I just didn’t see any advantage of going with it versus using a combo of Marlin and OctoPrint. I couldn’t come to a conclusion in my research either way if OctoPrint would even work with RepRap, so that right there would potentially be a dealbreaker.. gotta have my OctoPrint just for the Home Assistant hooks. Also can’t seem to understand what advantages, if any, the RepRap web UI would have over OctoPrint.
Another great video man. Good Job. I still prefer the Duet boards despite the $$$ as a part of the price goes to the development of RepRap firmware but this is a good low budget option.
Very nice guide . Another thing to consider would be the Makerbase version of the Duet 2 Wifi, It is only a few $'s more the the SKR but much less since you do not need any other parts. I have one of these but have not tested it yet. I am going to install it in to my Flsun Q5.
Great job! I did a full duet swap on my X1 and it was pretty involved. But much better. I never had any WiFi issues tho.
I started upgrading my X1 to linear rails and Matrix extruder. While I am at it i will also upgrade the board with the drivers and use rrf. There aren't a lot of tutorials out there yet, but i think your guide will help me a lot, thanks for that! I only wish, that you would have covered board connections a little more detailed, esp. the BL Touch.
OH MY GOD, thank you so much for this guide. I just bought the SKR 1.4 + TMC2209's + TFT touchscreen and WiFi... I was already preparing to use Marlin but now that I see RRF is available for this board, damn this is just so much better. Thanks again! The only difference from your guide and what I have is that I am using the WiFi from BigTreeTech that comes with the SKR 1.4 board. so basically I am not using a separate branded board. It comes with a programmer so it's quite doable I guess.
good but Marlin will do the job and if everybody does that, RepRap will go bankrupt :)
The WiFi board of BTT is not usable for RFF
RomanoProductions how will using Marlin instead help Duet3d?
@@PCR I was afraid this was the case.. It wasn't clear to me in the video. Did he mention it somewhere? I must've missed it. Thanks.
@@christophmuller3511 I was wondering this myself. I am not planning on buying Duet3D anyway, so they do not lose a customer with me. And I think this method is still too much hassle for most consumers.
Nice info. Hope someday it can be done for SKR Pro 1.1
I've got an X1 I've been running stock for weeks, despite having an SKR 1.3, TMC2209s, TFT35, BLTouch, etc. to install on it. When you mentioned this project on Patreon I was glad I procrastinated on the upgrade! I will try this using the Pi4 currently running OctoPrint in lieu of the ESP8266. I feel like I'd be a lot better at your heatshrink loom technique than protoboarding an adapter. That leaves the TFT35, which I may just skip and keep the stock TFT28... then maybe a tablet running the web interface. Glad I've been running it stock this whole time, so I have a good baseline to compare the RRF setup to. Thanks for the video Michael!
Hello, Since you do have the TFT35 which includes an ESP port where you should be able to insert an ESP8266 module. My question is; would that work without having to do any hardware modification? Would it just be changing the settings & compiling the firmware for the screen to support the RRF ESP; but is that even possible?
From Jay's blog; you cannot use the BTT ESP module; since you need ESP-12/13 or ESP-07.
But I believe it should be possible if you bought ESP-12 serial module.
Great video! makes me want to do this even though i dont need to.
I can finally stop crying about not being able to afford or justify purchasing a Duet board!
Bless the people who made the custom firmware and thanks for making this vid!
This is very promising, I hope I can install it on the SKR mini E3 1.2 , because that would be the best thing that could happen to my Ender 3 Pro
It's for LPC boards only, so you can't install it on SKR mini
15:40 might want to look at using a D1 Mini Pro as this has the connector for an external antenna (just remember to move the zero ohm resistor)
Geekdrive review maybe? :-)
Great guide as always- thanks!
Def gonna do this since I have the skr mainboard ready. But if I like it I’ll probably get a true Duet as well.
Wait for the new duet 3 mini 5+ to come out later this year.
Nice!
I think the removable drivers are the best feature over the duet.
Also, you can use Windows 10 CMD to ssh to the pi instead of putty.
example: ssh pi@IP.adress
I want to thank you Michael for helping us with your lessons!!! I use Duet Wifi in all my printers and i wanted to use SKR 1,3 in my new one !!!! In 11:34 if i have no wifi password, should i delete this line or left it blanc?
Great content and presentation, as usual. If I had the time, I'd look into doing this for myself. Out of interest, what advantage(s) does RepRap have over Marlin? Just trying to gauge if this is worth the effort. Thanks.
I am considering a more detailed comparison video once I have spent more time with RepRap.
Just as I completed my marlin configuration for my Sidewinder with SKR 1.4 Turbo and the SKR TFT24 this guide comes out. Guess I'll stick to marlin for the time being. I don't have the mental power to go through all this.
Very impressive!
Would be nice to have a way to have octoprint and the wifi connectivity on one raspberry pi. e.g. port 80 is octo print and port 8080 is the reprap interface. However not an option for me as it probably does not allow the park/pickup movements I need for my three tool heads. Needed to code that feature into marlin, too and SKR Pro is not supported.
Hey Michael, great vids. So here’s a question, can you run the bigtreetech Pi tft50 screen and rasPI with the bigtreetech skr v1.3 running reprap software ?
1:10 Still a better nut tightening technique than that of Kimi's front right wheelman.
Haha poor Kimi. I can only imagine his swearing in Finnish.
Thanks for the video! Followed through very well, even got dual z setup on the skr 1.3. Just tripping over myself with bltouch.
@nate Look at the Wiki. New bltouch infos added
Great video as always, do you think attaching a BTT pi tft50 would be a worthwhile option when using this setup?
Yes works
My X1 has been working flawless for the past year. I see this video and feel the temptation. I've been resisting upgrade temptations till the printer needs fixing. Other than the much nicer hardware and web interface, is the printing improvement 10X or just operates about the same?
Prints the same in most cases. From now however I can up micro stepping and add linear advance. Both possible with the old 8 bit board, but will run a bit better here. So the hardware change will help my prints more than the firmware change.
I am about to ditch my Ender 5+ card when I get home from work and install the SKR 1.4 Turbo, am I better changing to RepRap or better to stick with Marlin 2? I also use Octopi extensively so with watching your vid a second time Duet3 will pretty much be used instead of Octopi? with a Raspberry PI
Great job Michael. Could you please correct me if I'm wrong. RepRap doesn't support 2130 in SPI mode?
I'd love to see a comparison between the RepRap interface and Octoprint. I know one of the large advantages of Octoprint is the 3rd party plugin support and I don't know if RepRap offers those or not.
Also, for the Raspberry Pi, would a Pi Zero (or Zero W) work or does it have to be a Pi 3 or 4? I feel like the wire loom for the Pi is way cheaper and a Pi Zero is $10, meaning it would be the best of both worlds between the Wifi board and the Pi 3 (easier and cheap).
COOL! Ordering the stuff I need now.... I have a duet 2 Wifi, so to me this is like an upgrade, thanks, let you know how I get on.
On a side note, I did add an external antenna to the Duet board and chopped a trace on the onboard antenna, although all the moaning about matching the antenna is true, I chose to ignore it. Basically I slowed the wifi connection down, as the antenna is not matched, however it is now more reliable, so the file to print make it to the 3d printer first time every time!
It's up and working, wiring to the Ender 3 now, need to get a box to hold the SKR board and the Pi3 in the same housing with a fan! Will design something for that and just 3d print it.
I added a DC to DC converter to power the Pi, taking the 24v to 5v, its working fine. So far so good.
Would love to see more on the sidewinder in which I believe is the most under rated printer
Great video, just curious.. can we not get the ESP-01S Wifi Module ESP8266 from BigTreeTech that can plug directly into the SKR 1.4 board's wifi port? Instead of doing all the soldering?
Not possible! Need more Pins and Flash Size
well damn, i guess I need to do this seeing as I've been moaning about it on twitter for long enough now that some smart people have made it available.
I don't know if the video mentioned it but I needed to switch the red bridge to USB and +5 because the board did not respond when I first connected it. I had a small panic that I receive a DOA. But the flipping the bridge did it.
Just what I've been waiting for Michael, thank you. Just one question, Does the diag pin still need to be clipped when using 2209 drivers on the SKR 1.3? I'll have to read through the BL Touch documentation on getting it set up, not sure I could live without it now.
Heh Spike , AS far as i know you only need to clip the diag pin on axis that will use an endstop and im assuming a BL touch falls into that category. Cheers Phil
I clipped them all, but I agree with bigfilsing. Nothing will blow up if you don't clip, you just won't be able to get the endstop to register. Easily to test with M119 to find out if you need to clip or not.
@@bigfilsing Thanks Phil, appreciate your advice.
@@TeachingTech Good point, I will try it without clipping first. Thanks Michael. I'm not going to have time to do it yet, but always good to have as much info as possible before diving in. I do love Marlin but having to re-compile with every change is a pain, also you have to keep the firmware that is on the board, this is where my stupidity raised it's head.
Don't get me wrong, the #Borg is working perfectly as is, but you all know, I do love to tinker 😂
I have a GRR X400 with dual extruders. Its not a completely polished model as lots of the components are 3d printed. I want to upgrade it to use the octopus controller but a bit lost of where to start with the programming and which firmware is going to be the easiest to configure to the specific machine. Is there a common 3d printer that already has a lot of precompiled/preconfigured firmware already available that I can start from?
Firstly thanks for the tutorial. I got everything but my TFT28 just won't connect to the skr 1.4... I tried everything now and got just so frustrated.... Printer is the Sidewinder X1, Board SKR 1.4Turbo
I like this guy
any chance of making a guide on how to make a marlin setup for the new Mellow Fly rrf E3, please?
wow... this is a game changer.. thanks for the information.. could you do a guide with the MKS Sbase V1.3? it seems like an all in one solution for ethernet users
Its PlugnPlay with the Sbase. But sometime the Sbase boards are "tricky"
Recently btt released the wifi module for way cheaper it is available both at aliexpress and amazon with prime (15 - 20 USD)
And here Im configuring marlin for my skr
I have a Sidewinder and have attempted this port, however I am having 2 issues, I cannot get the axis to home because it is not recognising the inductive endstops, second issue is I cannot for the life of me figure out how to tell the firmware to use the E1 stepper as Z2. Are you able to share your config.g file so I can see where i have gone wrong? I have the SKR 1.4 Turbo and using the SBC via Raspberry pi (thanks to Peter's Tindie Store). Thanks.
If you use method 3, can you attach a webcam to the SBC and view it in the web interface?
Thats nice....
unfortunatly i have to program configuration.h and i have TMC2130 stepper drivers.... and they don't have them in there... Im going to have to use the vscode to put everything in for my SKR 1.4 Turbo
i also wish there was a way to use an ethernet cable..... then i could connect with it directly through the internet
What would you recommend the best update for a aldi printer for fine 3 d printing. I'm trying to keep cost down below 200 dollars.
The ribbon cable to the mainboard means you'll struggle to change the mainboard without a lot of hassle.
Which would you recommend doing, the ESP8266 or Pi connection? Also, can you still use the old RepRap style scroll wheel screen? I know that they use the same connectors as the ESP8266 cable does.
Both OK. Not possible
hi, i have the 7" TFT LCD from BIGTREE where to get the reprap firmware for it
is the board BIGTREETECH SKR E3 Turbo Control Board with TMC 2209 UART compatible with reprap?
Just getting started. If you're going through all this an enable WiFI, does it still make sense to leverage Octiprint?
No ;)
Can I use a SKR1.4 Turbo with the original WiFi Module from the SKR1.4 to use the reprap firmware, without flashing the Module?
Michael please do a comparison of marlin vs reprap firmwares. which one is better? which one produces better prints? is there a difference at all?
I think a difference in print quality won't exist from just the firmware, if all things are equally tuned. It's more about the overall approach and specifically about configuring firmware.
Hi, first of all thank you for the great instructions. I got it working but I still have the problem that when printing the printer there are always short breaks between eg. drilling. this creates small blobs. otherwise everything is going great
Hello are you using esp or sbc
Is there a wiring kit avail for the sbc to the skr? I'm so sick of wiring stuff up at the moment.... hheheh
Im doing this mod with the SKR 3 EZ It has native reprap support also
If you copy multiple lines and right click on putty it will put the first line in and as soon as thats finished it will put the next line in automatically
Just a heads up. The future support of the Skr 1.3, 1.4, and 1.4 turbo is limited. The developers recommend using either an SKR Pro or GTR due to their upgraded STM32 processors instead
Setting this up for my Tevo little monster delta. How do I configure the bltouch in the rrf configurator to use the designated ports and not the z end stop??
I must be missing it in the documentation 😣
Look at the Wiki new bltouch Info added
Could I have a touchscreen connected to the raspberry Pi? I saw yours was connected to the skr.
a question ❓ I have a skr 1.4 and a tft 35 v 3.0 screen of the same brand as the motherboard, can that screen be used?
I got the SKR Pro 1.1 and am very curious about this. Did this firmware overcome some of the hardware issues.
Pro is not possible right now because STM based
@teaching tech, you know you can just use SSH from powershell built into windows, right? ssh username@ipaddress, and you don't need an external (in this case crappy old program) to do it?
I know this is WiFi, but does it need internet access? I don't have internet where my printer is. But i could set up an old wireless router.
Support for "RepRapDiscount FULL GRAPHIC Smart Controller" available ?
No. The RAM is to little
will this work for the SKR mini e3 v1.2 ?
Hi, thanks for this vedio. One quick question would this applicable on SKR PRO 1.1 or 1.2 boards as well?
Following, I have the same question.
@@kylecannon1552: Yes it should be appicable, have a look at the reprap-wiki: github.com/gloomyandy/RepRapFirmware/wiki
After flashing RRF3 firmware on my BTT SKR v1.3 with TMC2208, I noticed that RRF3 doesn't support stealthchop and the motors vibrate and are really loud...
LE: Disregard that, using M569 P0 S1 D3 V100 enables stealthchop
Do you get better quality prints now with this V Marlin ?
No.
You should probably recommend bending the pin on the tmc2209 for sensorless homing instead of snipping it, at least then it can be reversed if they do decide to use the feature one day
The pin could always just be de-solder and removed. That way it could just be soldered back in later.
Do you know if this will work on the newer SKR E3 Mini V2.0?
No. Its a STM32 based board.
Plenty of ESP8266 / NodeMCU cases on Thingiverse... Dupont cables will be fine to relocate it.
is it possible with a SKR MIni E3 V2.0 with STM32F103RC?
I noticed looking at the board specs that the Duet has a floating point unit whereas the SKR does not. Any ideas how this affects print operations (or maybe this would be something to compare and contrast on delta printers which are much more computationally expensive to run)
Good point! Makes me wonder if the RPi-based option covers the FPU stuff...
FPU isn’t really a big deal, the Maestro doesn’t have one either and easily handles everything you may throw on it. The biggest drawback of the SKR is the lack of SRAM which means that certain features of RRF aren’t available.
@@christophmuller3511 Are these features summarized somewhere?
More Sidewinder X1 videos pleasee
Works on Bigtreetech GTR with 11 steppers?
Nice, but can I use octoprint? And is there actually a difference between print quality of reprap vs Marlin?
I have the same question. I'm using Octoprint and love it. So does this make the print better? I'm not into doing something like this just to say I did it. What is the benefit?
I have the same question. I'm using Octoprint and love it. So does this make the print better? I'm not into doing something like this just to say I did it. What is the benefit?
In terms of base firmware, I'd say no difference. The serial communication used here is faster than the USB serial used by Octoprint so potentially if you were having buffering/stuttering issues with Octoprint, the SBC installation here would not suffer the same way.
Do you have any informations about ther tft screens like tft 3.5 v30 ? this model which can be switched to normal text mode ? I currently have skr 1.4 turbo and such screen and tcm2208 laying around and it will be good to compare it with real duet
There is a a link in th wiki to a custom firmware for the touch mode of the BTT TFT35. i didn't explore since my donor printer has an MKS TFT28.
@@TeachingTech and what a bout bltouch settings as I seen that you didn't configure it during config preparation and later on it was only mentioned that you had some problems to set it up right?
It’s kind of crazy to waste a full Raspberry Pi to serve those simple web pages! An ESP32 would be more than enough. The stock web server of my Monoprice Select Mini runs on the 8266 that also handles the display !
Would this work with an skr mini e3v2.0? Or do you need the extra power from the skr 1.4 turbo?
Only LPC based Boards. Skr mini is STM32 based..
All of the compatible boards are listed on the wiki.
An upgrade mainboard that costs nearly as much as a printer is crazy !
depends a lot on the printer ;) If you have a 1500€ DIY Corexy or H-bot machine, a 200€ mainboard doesnt seem that out of place.
I gett that the current Home 3D Printer market is focused a lot around cheap chinese machines but there is more out there, where a neat mainboard like a duet can be apreciated (not that it's needed but more a "nice to have")
For my Voron the cost difference was negligible.
You can get very high quality Duet 2 wifi clones on Aliexpress for between $65 and $75
@@xandersnyder7214 Please consider what buying a clone does. You spend time and effort inventing something, then to have someone copy it & sell it much cheaper. Consider how that might feel, how that might effect your ability to work on the next cool project, to pay the bills, feed yourself/family. Also I'm doubtful that the companies making the clones are truly supporting, or are part of, the 3D printing community.
I am building my own Delta with a SKR V1.3
I am about to configure Marlin. Does this version of RepRap support a Delta.
Yes ! RFF works great with Deltas
Is the TFT35 v3.0 dual mode display supported? Or, is there a way to get it to work>?
Working!
Does the Reprap firmware support the 12864 full graphics smart display with the SKR 1.4
No. And Not needed!
how to install and config a UPS 24v on SKR PRO with RRF ?
What about Klipper + DWC2?
How on earth do I get sensorless homing to work with this? It doesn't seem to like my TMC2209 drivers
I dont know if you have got it to work yet but for me it was the biggest problem to get set up. I now have it working with my 2209's to the point I'm happy with it. I found this duet3d.dozuki.com/Wiki/Gcode#Section_M915_Configure_motor_stall_detection and this link useful duet3d.dozuki.com/Wiki/Stall_detection_and_sensorless_homing
I have a problem ... I use BTT RRF WIFI v1.0 ... + BTT SKR 1.4 Turbo ... + BTT TFT70 / MKS Pad70 ...
the first run is OK, but after a reset or shutdown it no longer works, screens connect, but WiFi is not working !! ?? you have to replace the SYS folder from scratch and it's ok to reboot, what could be the reason ?? I looked at various memory cards
M552 S1 in the config.g?