fixed a bug in keyboard remote controller

remote_control/keyboard_controller.py

@@ -6,12 +6,14 @@ pygame.display.set_mode((640, 480))
 
 rc_socket = socket.socket()
 try:
-    rc_socket.connect(('192.168.4.1', 1234)) # connect to robot
+    rc_socket.connect(('192.168.1.101', 1234)) # connect to robot
 except socket.error:
     print("could not connect to socket")
 
 
 while True:
+    u1 = 0
+    u2 = 0
     events = pygame.event.get()
     for event in events:
         if event.type == pygame.KEYDOWN:
@@ -33,7 +35,5 @@ while True:
                 print("forward: ({},{})".format(u1, u2))
             rc_socket.send('({},{})\n'.format(u1, u2))
         elif event.type == pygame.KEYUP:
-            u1 = 0
-            u2 = 0
             print("key released, resetting: ({},{})".format(u1, u2))
             rc_socket.send('({},{})\n'.format(u1, u2))