![]() ![]() ![]() Depending on the component count in the board, you could potentially have dozens of components marked DNI/DNP in the BOM. If you think about it, every component placed in the PCB requires some level of placement and routing effort, which takes time (and money if you’re working for a client). These entries are used to tell your PCB assembler “the bare board was designed to mount these components, but please do not include these parts in the final assembly.” This comment is either “DNP” (do not populate) or “DNI” (do not include). If you’ve ever looked at the BOM for a reference design or an open-source project, you may have seen a comment in some of the entries in your BOM. ![]()
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