The Raspberry Pi is a fantastic device and the fact that it's open source means that all kinds of great accessories exist for it. So, let's build a list of the best accessories for your various DIY projects.
Build your own Linux-powered cell phone with this awesome Raspberry Pi phone project! Make and receive calls from a Raspberry Pi using the FONA GSM cell phone module and a PiTFT display. The best part of this phone is that you can customize it just how you desire since you build it yourself!