LED-Visage-Arduino

Instructions :

1. Start serial communication : rosrun rosserial_python serial_node.py _port:=/dev/ttyUSB0
2. Call the ros service "sara_face/Start" with a Bool set to True.
3. Publish the emotion on topic "sara_face/Emotion" with a UInt8.
4. Brightness can be set (0-255) by sending the value on topic "sara_face/Brightness" with a UInt8.

Topic : "sara_face/Emotion"

• Type : std_msgs/UInt8
• Value : 1 = smile, 2 = sad, 3 = straight mouth, 4 = angry, 5 = surprise, 6 = blink, 7 = party

Topic : "sara_face/Brightness"

• Type : std_msgs/UInt8
• Value : (0-255)

Service : "sara_face/Start"

• Type : std_msgs/Boolean