Even though games like Infinity Blade can be great fun on the iPhone, there's no getting around the fact that touchscreen-centric, buttonless devices don't offer the best gaming ergonomics. A ...

The joystick x-axis is attached to Arduino pin A0 and the y-axis to Arduino A1, and these are our INPUT. The x- and y-axes are then set as variables for movement.

MaKey MaKey is a DIY Arduino board (what else) that you can plug into your laptop or PC via USB and then alligator clip to just about anything else in the room as your input. That means programmes, ...