Améliorer la distance d'un RFID RC522

[lesept]

Le sujet est traité ici (message #4) :

Extend range for MFRC522 RFID Reader

Hello, I am trying to set RFCfgReg to 48db gain. But i think there is error for converting values with the Library that i use. When i write to this register, i can no longer read tags. Im usin this library Value Table from Datasheet: Table 98. RFCfgReg register bit descriptions Bit Symbol Value Description 7 reserved - reserved for future use 6 to 4 RxGain [2:0] defines the receiver’s signal voltage gain factor: 000 18 dB 001 23 dB 010 18 dB 011 23 dB 100 33 dB 101 38 dB 110 43 dB 111 48 dB…

(au cas où tu utilises la bibliothèque MRC522 de Miguel Balboa, bien sûr)

GitHub - miguelbalboa/rfid: Arduino RFID Library for MFRC522