Arduino Communication over USB with PySerial Code

This project demonstrates a way of communication PySerial code on a host machine with Arduino.

Prerequisites

Linux (or other *nix flavour) machine (e.g. Nonia N810, MacBook, etc).
PySerial, PyGame installed.
USB cable connecting host machine with Arduino (in case of N810 you need a female-female adapter).

Instructions

Upload Arduino sketch (sketch/physical_pixel.ino) to it.
Run PySerial program on a host PC (code/arduino_led.py) in a console (this way you shall see debug output).
Click a square in the centre of the window to change LED's status on Arduino.

Extra Instruction for N810

Arduino UNO r3 is not recognized by N810 - I am using Seeduino v3.
Flash N810 with a new kernel image:

./flasher-xyz --kernel zImage --flash --reboot

Install USB OTG Statusbar Plugin from here: https://garage.maemo.org/projects/usb-otg-plugin
Connect your arduino to N810 via USB, enable 'USB UTG Host Mode' and make sure that '/dev/ttyUSB0' does exist.
wget PySerial from http://sourceforge.net/projects/pyserial/files/ and copy 'serial' folder to '/usr/lib/python2.5/site-packages/'
Follow instruction for PC above.

Copy-Paste Commands for N810

apt-get install python2.5-runtime