diff --git a/Rozetka/src/main.cpp b/Rozetka/src/main.cpp
index 2ad1504..1d885bc 100644
--- a/Rozetka/src/main.cpp
+++ b/Rozetka/src/main.cpp
@@ -7,6 +7,9 @@
 
 #define SOCK1 2
 #define SOCK2 3
+#define MY_DEFAULT_ERR_LED_PIN 4  // Error led pin
+#define MY_DEFAULT_RX_LED_PIN  5  // Receive led pin
+#define MY_DEFAULT_TX_LED_PIN  6  // the PCB, on board LED
 
 void presentation();
 void sendData(MyMessage msg, bool status);