A Solar Panel battery charging monitor using a Raspberry Pi 2 connected to a Maximum Power Point Tracker (MPPT) and a Raspberry Pi 3 showing the output graphs and data.
A projects to custom build a full size Pinball machine that uses a Raspberry Pi as the main computer for sensor controls and updating the display.
If you enjoy listening to Internet radio from a different time zone then here is a way that you can hear it in your time zone. This project is for BBC Radio 4.
A micro arcade machine playing classic games using a Raspberry Pi running the Mame arcade emulator.
A projects to build a Audio book player that can be controlled with one button. Useful for people not able to use small buttons on portable devices.