Tag
#termination
2 topics across all disciplines.
CAN bus fundamentals
Why two twisted wires replaced a loom, how dominant and recessive bits let modules arbitrate without a master, what the 120 ohm terminators are for, and the handful of measurements that tell you whether a network is healthy.
Oscilloscope and CAN waveform diagnosis
What a scope shows that a scan tool and a multimeter cannot, how a healthy CAN pair should look, the four faults that account for most bus problems, and why voltage drop beats resistance every time.