Custom Wire Wrapped Rare Circuit Board Necklace/Pendant Sterling Silver .935
Overall size: 2 5/16 x 7/8 inch x 59mm x 22mm
One of a kind and only had a couple no longer being made like this. A circuit board, also known as a printed circuit board (PCB), is an electronic assembly that provides the foundation for connecting and powering electronic components to create a functional circuit. It uses copper conductors (traces) on a substrate to facilitate electrical connections between components. Circuit boards are essential components in nearly all electronic products.