December’s MagPi was released this morning , and it’s full of Christmas cheer. This month you’ll learn how to make your Pi sing carols with Sonic Pi; and you’ll find out about environmental monitoring, so you can keep your electricity bill down without having to turn off the tree lights. We’re very taken by the first in a new series on building your own quadcopter: and by the second installment from Project Curacao, where a Pi is dangling from a radio tower twelve degrees north of the equator working on environmental monitoring, which makes us feel the cold and dark in Cambridge something rotten.

Read the original here:
MagPi issue 19 – your free Raspberry Pi magazine, out now