2018-06-24 15:46:10 +02:00
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# MFRC522 i2c
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### Code is compatible to Arduino and ESP8266 (NodeMCU)
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2018-06-24 15:54:59 +02:00
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__Set the Pin for the RST and i2c address!__
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2018-06-24 15:46:10 +02:00
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```c++
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#define RST_PIN 6 // Arduino UNO
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// #define RST_PIN 14 // D5 on NodeMCU
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// 0x28 is i2c address of the NFC Reader. Check your address with i2cscanner if not match.
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MFRC522 mfrc522(0x28, RST_PIN); // Create MFRC522 instance.
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```
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2018-06-24 16:05:48 +02:00
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2018-06-24 16:06:43 +02:00
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Thanks to @ [arozcan](https://github.com/arozcan/MFRC522-I2C-Library) for the MFRC522 i2c Library
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