Thanks to the great Ireland photos of Mariona Villavieja and the on-site audio captures by her sister Amanda we set-up the ‘Encounters’ free exhibition on Casa del Libro at Rambla de Catalunya until the end of January. The photo exhibition is composed of 18 30 cm x 30 cm pictures and 2 interactive music photos thanks to the use of a Raspberry Pi, a PIR sensor and a few speakers at the back of each frame.
The easiest way (and not very expensive at all) to do it, is using a Raspberry A+, a USB powered speakers, and a time / sensitivity configurable PIR sensor to control the audio trigger.
The 2$ chosen PIR (Pasive Infrared Sensor) is a very common model you can find everywere.
You can also use this PIR sensor from elecfreaks the same way:
I used a simple Python script to control the PIR sensor and turn on and off the music on demand, attaching the PIR sensor to Raspberry Pi GND, 5V and BCM pin 4:
Encuentros: Diario Fotográfico de un viaje a Irlanda
Photos: Mariona Villavieja / Amanda Villavieja
Sound: Amanda Villavieja
Technical set-up: Ferran Fàbregas
La Casa del Libro, Rambla Catalunya, 37 Barcelona
02.01.2016 – 30.01.2016