Coffee, good food, bar? Sometimes it’s hard to explore a new city and choose among hundreds options without spoiling it! A team of students at CIID (Grishma Rao, Justine Syen, Adriana Chiaia, Jivitesh Ranglani) created Pilgrim, a MKR1000-based device providing a tangible interface for discovery without a digital screen. Acting like a smart compass, Pilgrim points people in the direction of a desired location, sourcing data directly from the Yelp API and leading to an eventual unexpected discovery:
The experience begins with the selection of a category using a dial below the compass, that clicks to send out data. The proximity to the destination is then indicated by lights along the rim of the compass, that light up one by one as the person gets closer to the location.
Once a category selection is received via clicking the dial, the code queries the Yelp API to return the coordinates of the best matched result to Pilgrim. The magnetic needle would then turn an angle relative to the user’s current position, replacing magnetic north with coordinates of the destination.
Pilgrim is programmed with a Genuino MKR 1000 which enables the compass to be connected to internet and also has a higher amount of memory. Moreover, Pilgrim uses a magnetometer + accelerometer for the directions, a stepper motor with an H-bridge, and a rotary encoder for the dial.
from Arduino Blog http://bit.ly/1TsQMVu
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