diff --git a/drone_sensors/src/height_sensor.cpp b/drone_sensors/src/height_sensor.cpp
index 73a61275..56fed3d4 100644
--- a/drone_sensors/src/height_sensor.cpp
+++ b/drone_sensors/src/height_sensor.cpp
@@ -34,6 +34,7 @@ private:
 		char *readdata = new char[1];
 		serial_port.read(readdata, 1);
 		auto message = std_msgs::msg::String();
+		RCLCPP_INFO(this->get_logger(), "data: %s", readdata);
 
 		if (readdata[0] == 0x54) // 0x54 = T (from the user manual)
 		{
@@ -61,7 +62,7 @@ private:
 		}
 		else
 		{
-			RCLCPP_INFO(this->get_logger(), "Serial port opened");
+			RCLCPP_INFO(this->get_logger(), "Serial port opened on /dev/ttyACM0");
 		}
 
 		serial_port.close();