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escape_gallery_obsidian_vault/Projects/Electronics/MFRC522 RFID Reader I2C.md
John Lyon-Smith ecb462a16b vault backup: 2026-07-11 16:59:05
2026-07-11 16:59:05 -07:00

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Goal

Build an I2C based MFRC522 reader.

  • Use RJ45 connectors
  • Use DIP switches to set address

Tasks

  • Clone the SPI based board ➕ 2026-03-08
  • Redesign the SPI based board to be I2C ➕ 2026-03-08

References

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