LIDAR

• 04_scan.ipynb

• Running the cell code

  Ctrl + Enter

import rospy
from sensor_msgs.msg import LaserScan

• Import the rospy module

• Import the LaserScan from the sensor_msgs.msg module

def process_scan(msg):
    rospy.loginfo("data: {}".format(msg))

def start_node():
    rospy.init_node('zetabot')
    rospy.Subscriber("scan", LaserScan, process_scan)
    rospy.spin()

try:
    start_node()
except rospy.ROSInterruptException as err:
    print(err)

• Create zetabot Node

• scan Topic Subscribe and Message confirmation