Anyone can build one of these with Eagle or KiCad, but that means waiting for an order from a board house to verify your design. [VK2SEB] has a better idea for prototyping PCB filters: use copper ...

Jack of all trades, master of none, as the saying goes, and that’s especially true for PCB prototyping tools ... and hogging out the outline of the board, leaving bridges to keep the blanks ...

Another unique thing about this GPU is that its PCB ... the GPU’s board. Gamers Nexus host Steve Burke said that it took hours to take the GPU apart, especially as it’s just a prototype ...

While this prototype still wasn't a full-fledged single-board computer ... all on a credit card-sized PCB. In December 2011, ...