300 little “paper boats” are afloat at Canary Wharf. The Voyage installation, on display through February, was created by Aether-Hemera. Each boat is lit by a multi-colored LED, which visitors can interact via their mobile phone.
To make all of this work, a Raspberry Pi, an Arduino and some custom circuitry are used. Aether-Hemera has a nice, behind-the-scenes look at how this installation was created.