ESP32-C3 Single-Reader V1.0

V1.0 is the first public release of U1 Argus Remote RFID.

Highlights

• ESP32-C3 Super Mini + PN532 in HSU/UART
• Reads OpenSpool RFID/NFC tags and maps the data for Snapmaker U1
• Sends filament data to the U1 through the external filament detection interface
• Setup through the U1-Argus-Setup hotspot with captive portal
• Fallback access via http://192.168.4.1
• Persistent storage for Wi-Fi, U1 IP, port, hostname, channel, language, and additional reader links
• Local dashboard with:
  • current channel status
  • last valid tag
  • webhook status
  • quick buttons for up to 4 readers
• Bilingual web UI: EN / DE
• Web installer included
• Documentation, wiring schematic, BOM, and screenshots included

Requirements

• Snapmaker U1 with paxx12 Extended Firmware
• In http://<printer-ip>/firmware-config/, Filament Detection must be set to External

Hardware

• ESP32-C3 Super Mini
• PN532
• 4 connection wires

Notes

• Use the PN532 in HSU mode
• On the common red PN532 boards, HSU/UART is usually already the default
• The web installer and README are prepared for this V1.0 release

Credits

Big thanks and deepest respect to:

• paxx12
• wasikuss
• baze