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February 28, 2014 AT 12:00 am

Wonderful subway ad shows a woman’s hair blowing around whenever a train arrives @Raspberry_Pi #piday #raspberrypi

A Swedish hair-care company had this simple, great idea for their ads in subway stations and they used Raspberry Pis to implement it! Via Adweek.

This fun digital subway ad in Sweden for hair-care products was rigged up to recognize when trains entered the station—and then showed a woman’s hair blowing all around, as though windswept by the train. It’s a simple, delightful effect—playful, responsive and seemingly magical in the way it erases the line between ad and environment.

Ad agency Akestam Holst and production company Stopp produced the ad for Apotek Hjärtat’s Apolosophy products. Stopp in Stockholm says the ad was scheduled to be just a one-day stunt. But Clear Channel loved it so much that they kept it live for five more days “as a way for them to show the opportunities their screens can offer.”

The ad agency explained how they made the project: “…we needed to build a device that could be calibrated to sense the arrival of the train and not react to passing passengers. Using an ultra sonic sensor, connected to a Raspberry Pi and a local network socket, we connected our device to the screens computer where the film could be activated by the passing trains.

Read more.

Thanks to James Cromwell for sending this our way!


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