I'm trying to get the basic ROSSerial [Blink](http://wiki.ros.org/rosserial_arduino/Tutorials/Blink) example to work. I managed to install, compile and upload everything just fine, but when I go to run the final command:
rosrun rosserial_python serial_node.py /dev/ttyACM0
it appears to time-out with the error:
[ERROR] [WallTime: 1450064686.648424] Unable to sync with device; possible link problem or link software version mismatch such as hydro rosserial_python with groovy Arduino
My target platform is an Arduino Leonardo, and I've uploaded a non-ROS blink example that outputs to the Serial line, so I know it works.
What am I doing wrong? Does `serial_node.py` need some "special" parameter to get it to work with a Leonardo?
I'm using Indigo on both the Arduino and host PC.
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