PCB design glossary
Net
AKA: nets
A single electrical connection in a schematic — every pin on the same net is electrically tied together.
A net is a named electrical connection. Every wire and pin that should be at the same voltage belongs to the same net. VCC, GND, SDA, and SCLK are all examples of nets you'd expect on a small I2C sensor board.
Power, ground, and high-speed signal nets often get special treatment during routing: wider traces, dedicated layers, controlled impedance, or differential pairing.
Designing a board that uses net?
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