RFID Testing

[ukdavewood]

I imagine this behaviour is pretty obvious - but thought I would document it anyway as it might be of interest.

Test1 - Empty BL PLA White Basic -> Generic White.

• Respooled about half of some generic white PLA onto an Empty BL PLA Basic white spool inner.
• Printer detected it ok as white PLA and also seem to get the approximately amount respooled about right too - so probably handy for auto colour selection of non Bambu filament - as long as you have a previously used Bambu inner, and don't mind the generic filament being picked up as Bambu.
  NB. I marked an arrow on the cardboard of the inner to make sure I wound the filament on in the correct direction

Test2 - Removed RFID from left hand side.

• As expected the respooled generic white filament on a BL spool wasn't detected as white in Slot 4 of the AMS.
• But in slot 3 of the AMS it was detected ok as white.

Test 3 - Removed RFID from left hand side of BL Generic Blue

• As expected same behaviour as above - the spool was detected ok when it was replaced in slot3

Test 4 - probably the most useful one to me.

Took a half of the BL Generic Blue filament (which I was already using in another AMS on another printer), - but having to manually configure it on that printer.

Added the left RFID removed from the main BL Blue PLA spool into the Half respooled spool - on the outside, with the edge of the RFID about 3.7mm from the edge of the spool. Stuck it on with sticky tape on the outside.

• Result as expected - in slot 4 of the second AMS (on a different printer) - filament was detected ok as half empty BL PLA blue.

So I will probably do the same for the other 4 or 5 BL filaments that I have half respooled onto 2nd spools - so that I can use the same colour on 2 printers at the same time. Just need to mark the 2 spools carefully to make sure that it is obvious which ones will be detected in the odd and even slots respectively.

The only slight change I might make is that I think it would probably be better to slice off the right hand side RFID - as it won't interfere with the notch - where as the left hand side is the one right on the notch in the spool holder.

Haven't actually tried doing any printing on long term tests - but thought I would document results anyway in case they might be of use.

[michalss]

I do have Proxmark3 and ASM, but most valuable thing is that im developer i can do mobile, desktop applications (Maui c#, flutter, c++, java), also can do webs(Js,Blazor, React, Svelte)... Let me know how can i help.. There is also possibility to established the annonym server to host this data, ot at least api for Desktop application....

[Imtherealnoto]

Mine have unique tags on each side of the spool that normal?

[wzqvip]

Mine have unique tags on each side of the spool that normal?

As far as I know, such as X1C only have NFC reader between 1,2 and 3,4. It can't detect the left tag on 1.

Update: Those tag are unique. Different UID, keys, RSA. Same in content.