[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.

Chinese scientists have found a novel use for the Raspberry Pi: detecting voids in the linings of railway tunnels that could lead to structural damage, or even collapse.… News of the Pi's potential ...

Alex Eames from RasPi.TV has been at it once again creating another awesome add-on for the Raspberry Pi and has launched his fifth Kickstarter campaign, to provide a small add-on board that is ...

One of the biggest problems with home automation is trying to interface with old or analog devices. Do you upgrade the device just so you can automate it? Or do you find a workaround like [Seb] did?