RS485

• Baud rate = 1Mbit/s
• Connect both DE and RE to pin 8 on all master and slave devices.
• Buffer size tested: 10.

Sequence

Setting slave device address

• #define slave (device number 1-8).

Test procedure

• run 485_test.cpp to publish command.
• use rosbag to record all topics.

Reference

• http://www.microcontroller-project.com/rs485-communication-between-arduino-mega-and-arduino-pro-mini.html
• http://wiki.ros.org/rosbag/Tutorials/Recording%20and%20playing%20back%20data