Small Labels Can Save Big Headaches Later

Reference designators and connector labels don't affect how a PCB works, but they can make a huge difference once the board is assembled.

A clearly labeled connector is easier to wire correctly. Readable reference designators make troubleshooting faster, especially when comparing the PCB with the schematic. Even simple polarity markings can prevent unnecessary mistakes during assembly.

These details are easy to ignore while focusing on routing, but they're much harder to add after the PCB has been manufactured.

A few extra labels don't change the circuit—they make the board easier to use.

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