diff --git a/config.ini b/config.ini
index 89f0c25..3faed4a 100644
--- a/config.ini
+++ b/config.ini
@@ -27,3 +27,9 @@ build_flags =
 
     ; nfc addr
     -D NFC_ADDR=0x28
+
+    ;;;;;;;;;;;;;;;;;;;;;;
+    ;;; BigNfc  config ;;;
+    ;;;;;;;;;;;;;;;;;;;;;;
+    -D BIG_NFC_RX=5
+    -D BIG_NFC_TX=17
diff --git a/lib/BigNFC/include/BigNFC.h b/lib/BigNFC/include/BigNFC.h
index 3d14dcb..4599d88 100644
--- a/lib/BigNFC/include/BigNFC.h
+++ b/lib/BigNFC/include/BigNFC.h
@@ -7,7 +7,7 @@
 
 class BigNFC{
 public:
-    BigNFC();
+    BigNFC(int pinRX, int pinTX, int baud = 115200);
 
     /**
      * @brief initialise le lecteur NFC
diff --git a/lib/BigNFC/src/BigNFC.cpp b/lib/BigNFC/src/BigNFC.cpp
index 7b0b340..3495ac9 100644
--- a/lib/BigNFC/src/BigNFC.cpp
+++ b/lib/BigNFC/src/BigNFC.cpp
@@ -1,8 +1,8 @@
 #include "../include/BigNFC.h"
 
 
-BigNFC::BigNFC(/* args */){
-    Serial2.begin(115200,SERIAL_8N1,5,17);//TODO: mettre le port série en paramètre
+BigNFC::BigNFC(int pinRX, int pinTX, int baud){
+    Serial2.begin(baud, SERIAL_8N1, pinRX, pinTX);//TODO: mettre le port série en paramètre
     this->pair = true;
     this->trame = new std::vector<byte>();
 }