Canbus

canable
https://canable.io/ The CANable is a small low-cost open source USB to CAN adapter. The CANable shows up as a virtual serial port on your computer and acts as a serial-line to CAN bus interface. With the alternative candleLight firmware, the CANable enumerates as a native CAN interface on Linux. The CANable Pro is a galvanically isolated version of the CANable with enhanced ESD protection and breakaway mounting holes. from http://selfracingcars.com/

caraca
http://caraca.sourceforge.net/ The core of the NODE is the AVR AT90S4433 micro controller provided by Atmel. The AVR is surrounded by the CANBus driver PCA82C250, the relay driver ULN2003, the Ir receiver TSOP1836 and the temperature sensor/thermostat DS1621. The node is powered by a 12V dc from the bus.

NODE Schematics

http://www.youtube.com/watch?v=xt6_GWLTxN4

http://blackrynius.wordpress.com/category/can-bus/

http://diydrones.com/profiles/blogs/uavcan-can-bus-for-uav-preliminary-release

https://github.com/Seeed-Studio/CAN_BUS_Shield

https://github.com/watterott/CANdiy-Shield

http://uavcan.org/UAVCAN

http://www.canbushack.com/blog/index.php ,, http://opengarages.org/handbook/  Car Hacker's Handbook

links
Arduino code