diff --git a/BLE_server_values/BLE_server_values.ino b/BLE_server_values/BLE_server_values.ino
index be6b80e..00f4e88 100644
--- a/BLE_server_values/BLE_server_values.ino
+++ b/BLE_server_values/BLE_server_values.ino
@@ -1,3 +1,6 @@
+#include <WiFi.h>
+#include "esp_system.h"
+#include "esp_wifi.h"
 #include <NimBLEDevice.h>
 
 #define SERVICE_UUID        "12345678-1234-5678-1234-56789abcdef0"
@@ -39,6 +42,18 @@ void setup() {
   Serial.begin(115200);
   delay(1000);
 
+  uint8_t mac[6];
+
+  // Bluetooth MAC (ESP32-C3 uses BLE only)
+  esp_read_mac(mac, ESP_MAC_BT);
+  Serial.printf("Bluetooth MAC Address   : %02X:%02X:%02X:%02X:%02X:%02X\n", 
+                mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+
+  // WiFi MAC using high-level API (should match STA)
+  Serial.println("\nWiFi.macAddress()       : " + WiFi.macAddress());
+
+  delay(4000);
+  
   Serial.println("Initializing BLE Server...");
 
   // Initialize BLE