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Elegoo Canvas RFID Programming

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# ELG RFID
Elegoo Canvas RFID Programming

The tags required are <a href=https://www.nxp.com/products/NTAG213_215_216>NTAG213</a> or <a href=https://www.nxp.com/products/NTAG213_215_216>NTAG215</a>.

The Canvas is programmed to read 45 pages (0 to 44) of the tag to verify filament data. 
Because this data spans a 144-byte range, you must use a tag that supports at least that many pages. 
Although Elegoo uses the NTAG213 as standard, the NTAG215 and NTAG216 work perfectly as well since they offer even more storage while maintaining the same page structure.

The android app is available on google play 
<a href="https://play.google.com/store/apps/details?id=dngsoftware.elgrfid&hl=en"><img src=https://github.com/DnG-Crafts/ELG-RFID/blob/main/docs/gp.webp width="30%" height="30%"></a>

[![https://www.youtube.com/watch?v=bgkRoVAXhig](https://img.youtube.com/vi/bgkRoVAXhig/0.jpg)](https://www.youtube.com/watch?v=bgkRoVAXhig)

https://www.youtube.com/watch?v=bgkRoVAXhig

## Tag Format

You can view a full tag dump <a href=https://github.com/DnG-Crafts/ELG-RFID/blob/main/docs/README.md>Here</a>

### URI Section

This data is only for smartphone compatibility. 
It allows a phone to open the Elegoo website when tapped against the spool, but the printer itself does not use this information to identify the filament. 
The tag does not need this data present on the tag for the printer to read the filament section and identify the filament.

| Page (Dec) | Byte 0 | Byte 1 | Byte 2 | Byte 3 | Field Description |
| :--- | :--- | :--- | :--- | :--- | :--- |
| **4** | 01 | 03 | A0 | 0C | NDEF Structure |
| **5** | 34 | 03 | 0F | D1 | 03 NDEF Message; 0F length (15 bytes) |
| **6** | 01 | 0B | 55 | 04 | 55 Record Type "U" (URI); 04 URI Prefix (https://) |
| **7** | 65 | 6C | 65 | 67 | ASCII for "**eleg**" |
| **8** | 6F | 6F | 2E | 63 | ASCII for "**oo.c**" |
| **9** | 6F | 6D | FE | 00 | ASCII for "**om**";  FE Terminator (TLV) |
| **10** | 00 | 00 | 00 | 00 | Reserved For URI |
| **11** | 00 | 00 | 00 | 00 | Reserved For URI |
| **12** | 00 | 00 | 00 | 00 | Reserved For URI |
| **13** | 00 | 00 | 00 | 00 | Reserved For URI |
| **14** | 00 | 00 | 00 | 00 | Reserved For URI |
| **15** | 00 | 00 | 00 | 00 | Reserved For URI |

### Filament Section

This data is what the printer uses to identify the filament.

| Page (Dec) | Byte 0 | Byte 1 | Byte 2 | Byte 3 | Field Description |
| :--- | :--- | :--- | :--- | :--- | :--- |
| **16** | 36 | EE | EE | EE | Header |
| **17** | EE | 00 | 00 | 00 | Manufacturer ID |
| **18** | 00 | 80 | 76 | 65 | Material Type (PLA) |
| **19** | 00 | 04 | 00 | 00 | Material Position (PLA-CF) |
| **20** | FF | 37 | 00 | FF | Color Code (#FF3700) |
| **21** | 00 | D2 | 00 | F0 | Extuder Temp Min / Max (210 / 240) |
| **22** | 00 | 00 | 00 | 00 | Unknown - Bed Temps? |
| **23** | 00 | AF | 03 | E8 | Diameter / Weight (175 / 1000) |
| **24** | 00 | 36 | C8 | 00 | Unknown - Production Code?  |

ELG-RFID

ELG-RFID Latest Version Download

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