Then you'll need Android Meets Robots, an app that lets you pair voice recognition with any Bluetooth module. From there, it's just about pairing the two together and creating your own commands.

The phone uses an app that talks to the Arduino via Bluetooth, which means the Arduino needs a Bluetooth module. The Arduino controls what amounts to an upside-down 3D printer.

A new Arduino-powered voice-activated clock has been created by Instructables user GeraldF6, who has kindly published step-by-step instructions enabling you to build your very own. This innovative ...