We’ve recently been asked how to use the GPIO pins on the PiFace Relay+ board. It’s not something we’d done, so we set about trying to find out for ourselves, and here’s some information which will hopefully help.
A recent update to Raspian has caused the Raspberry Pi 7″ LCD touch screen to display upside down. For some users, this might not be an issue, as you might be able to physically flip your screen so it displays the right way up. However, if you have your touch screen mounted in a frame, this will not be an option, so here is an alternative way to get your screen to display correctly.