diff --git a/docs/openapi.yml b/docs/openapi.yml
index 3b7d4e7..e1d2446 100644
--- a/docs/openapi.yml
+++ b/docs/openapi.yml
@@ -3,23 +3,23 @@ info:
   title: Card Recognition API
   version: 1.0.0
 paths:
-  /cardinfo:
+  /cardinthemiddle:
     get:
-      summary: Alle Karten Informationen
+      summary: The Card in the middle
       responses:
         '200':
-          description: Erfolgreiche Anfrage
-  /card/{id}:
+          description: success
+  /cardinmyhand/{playerid}:
     get:
-      summary: Ruft Informationen von einer bestimmte Karte
+      summary: cards in the hand of the player
       parameters:
         - in: path
-          name: id
+          name: playerid
           required: true
           schema:
             type: integer
       responses:
         '200':
-          description: Erfolgreiche Anfrage
+          description: success
         '404':
-          description: Karte nicht gefunden
\ No newline at end of file
+          description: card not found
\ No newline at end of file
diff --git a/src/arduino/card_scanner.ino b/src/arduino/card_scanner.ino
index 751a92d..e8fbe38 100644
--- a/src/arduino/card_scanner.ino
+++ b/src/arduino/card_scanner.ino
@@ -1,36 +1,54 @@
-// imports 
+// imports
 #include <SPI.h>
 #include <MFRC522.h>
+#include <Servo.h>
+#include <Wire.h> 
+
+// Pin Definition
+#define SS_PIN 10
+#define RST_PIN 9
+
+// Instatiate Motor and RFID Module
+Servo motor;
+MFRC522 rfid(SS_PIN, RST_PIN); 
 
 
-// Pin Setting
-#define RST_PIN1 9
-#define SS_PIN1 10
 
-#define RST_PIN2 5
-#define SS_PIN2 6
-
-#define RST_PIN3 2
-#define SS_PIN3 3
-
-// RFID-Module Instances
-MFRC522 mfrc522_1(SS_PIN1, RST_PIN1);
-MFRC522 mfrc522_2(SS_PIN2, RST_PIN2);
-MFRC522 mfrc522_3(SS_PIN3, RST_PIN3);
-
-// Setup
-void setup() {
-    // Serial Begin
+// Setup for first time
+void setup() { 
+  // Serial Begin
   Serial.begin(9600);
-  // SPI start
-  SPI.begin();
+  // Servo Attach
+  motor.attach(6);
+  // Pin Setting
+  pinMode(2, OUTPUT);
+  pinMode(3, OUTPUT);
 
-  // Initialisation of Modules
-  mfrc522_1.PCD_Init();
-  mfrc522_2.PCD_Init();
-  mfrc522_3.PCD_Init();
+  // Init SPI bus
+  SPI.begin(); 
+  // Init MFRC522
+  rfid.PCD_Init();  
 }
 
+// iteration
 void loop() {
-  // reading of triple signal
+  // Reset the loop if no new card present on the sensor/reader. This saves the entire process when idle.
+  if (!rfid.PICC_IsNewCardPresent()){
+    return;
+  }
+  // Verify if the NUID has been read
+  if (!rfid.PICC_ReadCardSerial()){
+    return;
+  }
+  
+  Serial.println(rfid.uid)
+
+
+  delay(1000);
+
+  // Halt PICC
+  rfid.PICC_HaltA();
+
+  // Stop encryption on PCD
+  rfid.PCD_StopCrypto1();
 }