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CAN Bus
The robust multi-master bus behind vehicles: differential dominant/recessive bits, non-destructive bitwise arbitration by message ID, and built-in error detection with fault confinement.
26 min read
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How does CAN arbitration work, and why is it called "non-destructive"?How is CAN addressing different from I2C or SPI?Why does CAN need exactly two 120 Ω termination resistors, and what happens without them?What makes CAN robust enough for vehicles? Describe its error handling.A CAN node keeps going "bus-off." What does that mean and what causes it?
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