diff --git a/software/apps/slave_node/boards/bluepill_f103rb.overlay b/software/apps/slave_node/boards/bluepill_f103rb.overlay
index 8908b7e..0816af0 100644
--- a/software/apps/slave_node/boards/bluepill_f103rb.overlay
+++ b/software/apps/slave_node/boards/bluepill_f103rb.overlay
@@ -1,3 +1,17 @@
+/ {
+    chosen {
+        zephyr,console = &rtt;
+        zephyr,shell-uart = &rtt; // If using shell
+    };
+
+    rtt: rtt {
+        compatible = "segger,rtt-uart";
+        #address-cells = <1>;
+        #size-cells = <0>;
+        label = "RTT";
+        status = "okay";
+    };
+};
 &usart1 {
 	modbus0 {
 		compatible = "zephyr,modbus-serial";
diff --git a/software/apps/slave_node/src/main.c b/software/apps/slave_node/src/main.c
index 8af411d..660bfd7 100644
--- a/software/apps/slave_node/src/main.c
+++ b/software/apps/slave_node/src/main.c
@@ -111,5 +111,10 @@ int main(void)
 		LOG_ERR("Modbus RTU server initialization failed");
 	}
 	LOG_INF("APP started");
+	
+	while (1) {
+		k_sleep(K_MSEC(1000));
+	}
+
 	return 0;
-}
+}
\ No newline at end of file