For many a hacker, stenciling a board for the first time is a game-changing experience – the solder joints you get, sure do give your PCB the aura ... and TinkerCAD, making your solder paste ...

And the board made clear Monday night ... when the manufacturer Monsanto stopped making the PCB material that was contained in a wide variety of building materials. PCBs, or polychlorinated biphenyls, ...