nfc reader test

arduino/LoraNFC/sketch_may24a/sketch_may24a.ino

@@ -10,7 +10,6 @@ NfcAdapter nfc = NfcAdapter(pn532_i2c);
 String tagId = "None";
 String cleanString = "";
 
-
 void setup()
 {
   Serial.begin(9600);
@@ -42,10 +41,11 @@ void initLoRa()
 
 void sendLoRaData(String data)
 {
-  String message = "node3 " + data; // Concatenate "node3 " with the value of cleanString
+  Serial.print("Sending LoRa data: ");
+  Serial.println(data);
   
   LoRa.beginPacket();
-  LoRa.print(message);
+LoRa.print("node3 " + data);
   LoRa.endPacket();
 }
 
@@ -75,15 +75,12 @@ void readNFC()
         String payloadAsString = "";
         for (int c = 0; c < payloadLength; c++) 
         {
-          payloadAsString += (char)payload[c];
+          payloadAsString += String((char)payload[c]);
-        }
-        
-       if (payloadLength > 0) {
-          cleanString = payloadAsString;
-          cleanString.remove(0, 3);
-          Serial.print("Payload: ");
-          Serial.println(cleanString);
         }
+        cleanString = payloadAsString;
+        cleanString.remove(0, 3);
+        Serial.print("Payload: ");
+        Serial.println(cleanString);
         
         String uid = record.getId();
         if (uid != "") 

public/index.html

@@ -19,19 +19,22 @@
             // Split the data into separate parts
             const [node, value] = data.split(' ');
             
+
             if (node === 'node3' && value === '15') {
               // Change the background color to red
               document.body.style.backgroundColor = 'red';
             } 
+
             if (node === 'node4' && value === '21') {
-              // Change the background color to red
+              // Change the background color to blue
               document.body.style.backgroundColor = 'blue';
             } 
+
             else {
               // Restore the default background color
               document.body.style.backgroundColor = 'white';
             }
-          });
+            });
 
           function sendMessage() {
             const inputField = document.getElementById('input');