How do I use the continuity tester to test the PCB?

Is there an easy way to make sure the circuits are connected?

By touching metal probes and wires together to complete the circuit path, continuity testers are used to check the continuity of metal paths. When there is a complete, continuous path, the light or buzzer will be activated. You can also use a multimeter in connectivity testing to examine the smoothness of the connections on the circuit board. If there is any issue, you ought to quickly fix it.

More reading: LED PCB Design Guide: Challenges & Considerations

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