There are certain design guidelines for PCBs that don’t make a lot of sense, and practices that seem excessive and unnecessary. Often these are motivated by the black magic that is RF transmission.

The experimental group had significantly higher levels of white blood cells, neutrophils, C-reactive protein (CRP), serum amyloid A (SAA), neutrophil-to-lymphocyte ratio (NLR), and C-reactive protein ...

it’s an open playground for devices that adhere to the power restrictions and other guidelines about best practices. IoT devices operate here, as well as security systems and, of course ...