led start

arduino/LoRaLed/LoRaLed.ino

@@ -0,0 +1,55 @@
+#include <SPI.h>
+#include <LoRa.h>
+
+#define LORA_SS_PIN 10
+#define LORA_RST_PIN 9
+#define LORA_DI0_PIN 2
+
+void setup() {
+  Serial.begin(9600);
+  while (!Serial);
+
+  pinMode(LED_BUILTIN, OUTPUT);
+  
+  // Initialize LoRa module
+  LoRa.setPins(LORA_SS_PIN, LORA_RST_PIN, LORA_DI0_PIN);
+  if (!LoRa.begin(433E6)) {
+    Serial.println("LoRa initialization failed. Check your wiring!");
+    while (true);
+  }
+
+  // Connect to WiFi or Ethernet here
+
+  // Connect to Socket.IO server
+  // Replace <SERVER_ADDRESS> with the actual server address
+  // e.g., http://localhost:3000
+  // Replace <TOKEN> with an authentication token if required
+  // e.g., "?token=abcd1234"
+  //socketIO.connect("<SERVER_ADDRESS><TOKEN>");
+}
+
+void loop() {
+  // Handle Socket.IO events or other tasks here
+  
+  // Check for incoming LoRa messages
+  int packetSize = LoRa.parsePacket();
+  if (packetSize) {
+    while (LoRa.available()) {
+      String message = LoRa.readString();
+      Serial.println("Received message: " + message);
+
+      // Process the received message and control the LED
+      if (message == "led_on") {
+        digitalWrite(LED_BUILTIN, HIGH);  // Turn on the LED
+        LoRa.beginPacket();
+        LoRa.print("ack");
+        LoRa.endPacket();
+      } else if (message == "led_off") {
+        digitalWrite(LED_BUILTIN, LOW);   // Turn off the LED
+        LoRa.beginPacket();
+        LoRa.print("ack");
+        LoRa.endPacket();
+      }
+    }
+  }
+}