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The controller area network is a well-established networking system specifically designed with real-time requirements in mind. Developed in the 1980s by Robert Bosch, its ease of use and low cost has led to its wide adoption throughout the automotive and automation industries. However, for the beginner using CAN may seem somewhat bewildering. This article goes some way into explaining how CAN is used both at the hardware and the software levels.
Date of Publication: June 1999