When needing a custom PCB, most of us will whip up design files and send them off to a board house. Prices are low and turnaround times are bearable, with quality that's difficult to replicate at home. The old methods still have some value however, as [Bantam Tools] demonstrate with this attractive glowing hummingbird necklace.
The necklace is made of copper-clad board, the type typically used by those who would etch their own PCBs at home. In this case, the board is placed on a [Bantam Tools] mill, which removes copper strategically and cuts out the final shape. This creates a series of traces on the back for a battery, LEDs and a small swtich, while creating areas on the other side of the board for light to shine through.
With a battery installed, the LEDs on the back side of the necklace glow through the fiberglass for a beautiful effect. With a PCB mill and a reflow oven, it's remarkably easy to make, too. Of course, if you like your parts density a little higher, these FPGA earrings might be more your speed!
via https://ift.tt/2JK1Mmi
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