adding node 4

arduino/LoraNFC/sketch_may24a/sketch_may24a.ino

@@ -0,0 +1,102 @@
+#include <LoRa.h>
+#include <Wire.h>
+#include "boards.h"
+#include <PN532_I2C.h>
+#include <PN532.h>
+#include <NfcAdapter.h>
+
+PN532_I2C pn532_i2c(Wire);
+NfcAdapter nfc = NfcAdapter(pn532_i2c);
+String tagId = "None";
+String cleanString = "";
+
+
+void setup()
+{
+  Serial.begin(9600);
+  Serial.println("System initialized");
+  nfc.begin();
+
+  initLoRa();
+}
+
+void loop()
+{
+  readNFC();
+  if (!cleanString.isEmpty()) {
+    sendLoRaData(cleanString);
+  }
+}
+
+void initLoRa()
+{
+  Serial.println("Initializing LoRa...");
+  LoRa.setPins(RADIO_CS_PIN, RADIO_RST_PIN, RADIO_DI0_PIN);
+  if (!LoRa.begin(LoRa_frequency))
+  {
+    Serial.println("Starting LoRa failed!");
+    while (1);
+  }
+  Serial.println("LoRa initialized successfully!");
+}
+
+void sendLoRaData(String data)
+{
+  String message = "node3 " + data; // Concatenate "node3 " with the value of cleanString
+
+  LoRa.beginPacket();
+  LoRa.print(message);
+  LoRa.endPacket();
+}
+
+void readNFC() 
+{
+  if (nfc.tagPresent())
+  {
+    NfcTag tag = nfc.read();
+    tagId = tag.getUidString();
+    Serial.print("Tag ID: ");
+    Serial.println(tagId);
+    
+    if (tag.hasNdefMessage())
+    {
+      NdefMessage message = tag.getNdefMessage();
+      int recordCount = message.getRecordCount();
+      Serial.print("Number of NDEF records: ");
+      Serial.println(recordCount);
+      
+      for (int i = 0; i < recordCount; i++)
+      {
+        NdefRecord record = message.getRecord(i);
+        int payloadLength = record.getPayloadLength();
+        byte payload[payloadLength];
+        record.getPayload(payload);
+        
+        String payloadAsString = "";
+        for (int c = 0; c < payloadLength; c++) 
+        {
+          payloadAsString += (char)payload[c];
+        }
+        
+       if (payloadLength > 0) {
+          cleanString = payloadAsString;
+          cleanString.remove(0, 3);
+          Serial.print("Payload: ");
+          Serial.println(cleanString);
+        }
+        
+        String uid = record.getId();
+        if (uid != "") 
+        {
+          Serial.print("Record ID: ");
+          Serial.println(uid);
+        }
+      }
+    }
+    else
+    {
+      Serial.println("No NDEF message found on the tag.");
+    }
+    delay(2000);
+  }
+}

public/index.html

@@ -22,7 +22,12 @@
             if (node === 'node3' && value === '15') {
               // Change the background color to red
               document.body.style.backgroundColor = 'red';
-            } else {
+            } 
+            if (node === 'node4' && value === '20') {
+              // Change the background color to red
+              document.body.style.backgroundColor = 'blue';
+            } 
+            else {
               // Restore the default background color
               document.body.style.backgroundColor = 'white';
             }
@@ -46,7 +51,7 @@
                    
 
                      <div class="section" id="objective"><br><br><br><br>
-                        <p>OBJECTIVE:<br>Enter S/ash Gallery to step into the game and unlock gateway 1. Tap the different markers on the map in order to navigate and receive objectives. When set to the right digit, the modules in the locations will reveal a port number. Enter it above to collect dream logs. Follow the blue markers on the pavement to make your way through the landmarks.</p>  
+                        <p>OBJECTIVE:<br>RUN</p>  
                         </div>
                      <div>
                         <embed class ="embed" src="https://hack.chat/?mtmw">