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--- project:laser_harp [2012/11/04 23:11] – nephirus
+++ project:laser_harp:start [2016/11/28 01:42] (current) – ruza
@@ Line 1: / Line 1: @@
+====== Laser harp ======
+{{template>:project:infobox|
+name=Laser harp|
+image=laser-harp.jpg?200|
+sw=-|
+hw=-|
+founder=[[user:Nephirus]]|
+interested=[[user:kxt]] \\ [[user:czestmyr]] |
+status=suspended
+}}
+~~META:
+status = suspended
+&relation firstimage = :project:laser-harp.jpg
+~~
+===== Introduction =====
+Laser harp is a musical instument, that uses laser beams as an interface to player. Our goal is to build a fully functional open-frame laser harp with at least 8 beams.
+===== Hardware =====
+Hardware consists of four main parts: laser, mirror, detector (an ordinary usb webcam should do the job) and DSP circuit.
+There are two measured variables: angular displacement of mirror $\Delta \theta$ (fig. 1, B), which determines the beam that has been blocked, and distance $d$ between mirror (fig. 1, B) and hand (fig. 1, C).
+A sound sample is assigned to each beam, distance $d$ determines intensity (volume) of the sound.
+{{:project:laser_harp:side_view.png?400|Figure 1 - side view}}
+{{:project:laser_harp:top_view.png?300|Figure 2 - top view}}
+===== Sources ======
+[[https://github.com/Nephirus/laser_harp]]
+===== Pics and Videoze =====
+{{youtube>sLVXmsbVwUs?medium}}
+{{youtube>9DlwQJX3qag?medium}}