roslaunch playground_ros dnn_detect.launch camera:=/usb_cam image:=image_raw
v4l2-ctl --all rosrun usb_cam usb_cam_node _framerate:=1 _pixel_format:=yuyv
rosrun playground_ros object_tracker_pixy2.py _track:=2 _min_rotation_speed:=2 _x_threshold:0.3 _rate:=20
rosrun playground_ros object_tracker_pixy2.py _track:=2 _min_rotation_speed:=1.8 _max_rotation_speed:5 _rate:=10 _x_threshold:=0.3
rosrun playground_ros object_tracker_pixy2.py _track:=2 _min_rotation_speed:=1.8 _max_rotation_speed:5 _rate:=20 _x_threshold:=0.25 _search_delay:=3 _ring_buffer_size:=1
rosrun playground_ros object_tracker_pixy2_follow.py _track:=2 _min_rotation_speed:=1.8 _max_rotation_speed:5 _rate:=20 _x_threshold:=0.5 _search_delay:=3 _ring_buffer_size:=1 _min_linear_speed:=0.15 _max_linear_speed:=0.364 _z_threshold:=0.02 _min_z:=0.02 _goal_z:=0.2
dialogflow_ros
export GOOOGL...
rosrun dialogflow_ros mic_client.py
speech is published as /dialogflow_text
rosrun playground_ros text2action.py
text2luma ros_luma_display
rosrun playground_ros string_to_luma.py