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- Sun May 05, 2024 10:16 am
- Forum: ESP-IDF
- Topic: Looking for library for PN532 RFID/NFC Card Reader
- Replies: 3
- Views: 3460
Re: Looking for library for PN532 RFID/NFC Card Reader
this library use SPI with 4 wire, I would use I2C with only 2 wire, Because I have already almost all pins of Core-Esp32-c3 used. I am doing a door access system, and I use RFid card and matrix keyboard, this one use 7 gpio pins. Hey Did you ever manage to get it to work with i2c it seems i can get...