The baud rate of a CAN bus is expressed in bps (bits per second). It determines how many bits are transmitted every second. Because CAN uses differential signaling, the baud rate directly drives several key trade-offs — the maximum bus length, noise immunity, latency, and overall bandwidth. In short: the higher the baud rate, the faster the transmission, but the shorter the maximum allowable bus length. The Core Trade-off in One...
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