In this section we take a brief look at some alternatives to using standard micro-USB phone-style chargers or desktop-mounted USB ports for powering your Raspberry Pi.
Each of the following suggestions should provide you with some ideas for future projects and provide some links to further reading. Remember, when working with mains electricity, to always make sure you take the necessary safety precautions and refer to a licensed professional.
One alternative to the standard USB hubs is to install a wall mounted USB plate.
For running a small number of Raspberry Pis you can eliminate the need to use a USB hub or to use a desk-mounted multi adapter with USB ports.
Wall plates are directly wired into your mains electric as with a standard electricity socket.
These can be found at most home DIY stores. It is recommended that you have them installed by a certified electrician due to the risk of electric shock posed by working with mains electricity. Some plugs...