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ros's Introduction

ROS

ROS tutorials for NCTU course in spring 2021.

Start ROS master

roscore

Ex1: 樹莓派與電腦溝通

rosrun ros_basic publisher_node.py

Ex2: GPIO-呼吸燈

Name Pin Pin name
VCC 12 GPIO 18
GND 14 Ground
rosrun ros_basic led.py

Ex3: GPIO-RGB燈

Name Pin Pin name
3.3V 2 3.3V
RED 11 GPIO 17
GREEN 13 GPIO 27
BLUE 15 GPIO 22
rosrun ros_basic pi_subscriber.py
rosrun ros_basic publish_teleop.py

Ex4: 超音波感測器

Name Pin Pin name
VCC 22 GPIO 18
GND 9 Ground
TRIG 13 GPIO 27
ECHO 15 GPIO 22
rosrun ros_basic hc_sr04.py

Ex5: 按鈕

Name Pin Pin name
3.3V 2 3.3V
VCC 11 GPIO 17
GND 9 Ground
rosrun ros_basic button.py

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