i3MK3S WiFi storage data mode 😀  

i3MK3S WiFi storage data mode 😀

Hello,

I think this topic can be of interest of many of us.
A couple of days ago, I casually discovered on youtube that is possible to transform *ANY* conventional 3D Printer in a WiFi data device with 0 effort (almost.. 😎 ). It is not possible to control the printer functions from remote of course, but you can WiFi read-write on the Prusa Printer's SD.

As result, now I am able to save the gcode for objects I need to print, directly on a shared folder on my PC, and that corresponds to the SD inside my i3MK3S, so that I don't need any more to go to the printer, remove the SD, bring it into the PC, save the file, and come back to the printer and fit the SD into it again.

WHAT YOU NEED

MODIFICATION TO THE PRINTER: ZERO 😀
HARDWARE REQUIRED: A Toshiba FlashAir W04 SD

You will find all the instructions on Matt's Hub

Just for info, the Toshiba SD currently on the market are W-04 release while the articles are referring to the old W-03.
I had to do several modifications on my SD Config file in order to have it work with W-04, so to avoid you hours of deep technical challenges, I will include here my CONFIG file for you:


[WLANSD]
ID=PRUSA_SD
DHCP_Enabled=NO
IP_Address=192.168.0.20 <--- Replace it with a STATIC IP address of your network that you will decide to assign to the device
Subnet_Mask=255.255.255.0
Default_Gateway=192.168.0.1 <--- Replace it with the IP address of your ROUTER in your network
Preferred_DNS_Server=192.168.0.1 <--- Replace it with the IP address of your ROUTER in your network
Alternate_DNS_Server=192.168.0.1 <--- Replace it with the IP address of your ROUTER in your network

[Vendor]
APPNAME=myflashair
CIPATH=/DCIM/100__TSB/FA000001.JPG
APPMODE=5
APPSSID=ASUS_WIRELESS
APPNETWORKKEY= <--- Put your Wifi Password here
VERSION=******** <--- Replace this with the VERSION string you will find in your original CONFIG file in your SD[/color][/i][/b]
CID=******* <--- Replace this with the CID string you will find in your original CONFIG file in your SD[/color][/i][/b]
PRODUCT=FlashAir
VENDOR=TOSHIBA
UPDIR=/
WEBDAV=2
TIMEZONE=1 <-- This is your TimeZone
LOCK=1
DNSMODE=1
APPAUTOTIME=1800000
STA_RETRY_CT=0
WLANAPMODE=0x03


If you are interested in the technical detils of any parameters refer to the Toshiba WiFi Developer site

It works well, but when I go to the printer I need to remove and insert the SD, because the Prusa Firmware don't re-read the SD contents of the card when I select "PRINT FROM SD" from the LCD menu. The firmware does not expect the SD itself is able to change the contents, so it read them only one time when the SD is inserted. This is annoying when you have this new WiFi feature. Other Marlin versions have such feature and have either a "RESCAN SD" menu item or just a refresh content on selecting the "PRINT FROM SD" item.

Prusa, please implement this easy change in the next Firmware release.

VERY IMPORTANT: Yo must know what you are doing: if you rewrite a gcode that is being printed or delete it you may ruin your print. So try to write to the SD while the printer is not printing.

Happy WiFi data writing 🙂