Controller Area Network

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Controller Area Network

In automobiles, a CAN connects Electronic Control Units (ECUs) using a multi-master serial bus (the CAN bus) to control actuators or receive feedback from sensors. ECUs can be subsystems such as airbags, transmission, antilock brakes, or most importantly, engine control. The standard consists of ISO 11898-1 and ISO 11898-2.

Source:

http://www.aeris.com/iot-dictionary/

References:

https://en.wikipedia.org/wiki/CAN_bus