upate

robomaster_pi/robot_ros.py

@@ -67,7 +67,7 @@ class vel_from_ros_node(Node):
     
     def pose_callback(self, msg: Twist):
         command = "chassis speed x " + str(msg.linear.x) + " y " + str(msg.linear.y) + " z " + str(msg.angular.z)+ ";"
-        ser2.write(msg.encode('utf-8'))
+        ser2.write(command.encode('utf-8'))
 
 class Robomaster_odom(Node):
     def __init__(self):