Adafruit is a brilliant starting point: https://www.adafruit.com/category/117 https://www.adafruit.com/category/117 a kit or two will give you the basics of _bu

Adafruit is a brilliant starting point: https://www.adafruit.com/category/117 https://www.adafruit.com/category/117 a kit or two will give you the basics of _building_ and has the advantage that its wonderfully explained.