It should be no surprise to many that one can use a Raspbery Pi SBC as an industrial controller, but is it any good at that? That was the question which [Dough Reneker] and [William Shaffer] built a ...

[Ken Olsen] needed a bunch of analog inputs for his model railroad project. He wanted to use the Raspberry Pi board, but alas there are no analog inputs available on the GPIO header. But there is SPI.

Raspberry Pi enthusiasts may be interested in the new stackable Raspberry Pi HAT capable of adding up to 128 oto-isolated iputs and more. p to eight cards can be stacked on top of one Raspberry Pi ...