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from Jan Christoph Godde
A homebuilt wooden sensor box i made for controlling PureData or Processing sketches. Will be able to send raw data, OSC or MIDI when finished. This demo is demonstrating the use of the rotating disks as well as the the analog sensors. The movement of the disks (speed and direction) is sensed with the help of four infrared reflection sensors (two for each disk). I'm making use of a technique called "Quadrature Encoding", implemented with the help of the corresponding Teensy library (see pjrc.com/teensy/td_libs_Encoder.html for more information). The analog signals from the IR sensors are being optimized for the digital input pins with op-amps used as comparators with hysteresis. Visual representation: Processing. Sound: Phase Vocoder PureData patch running in Processing (pdp5 library). Teensy 3.1 was used as a microcontroller.
hackaday.io: hackaday.io/project/8371-wooden-sensor-box-w-2-rotary-disks
Pictures: fs5.directupload.net/images/151103/q6aq5wyt.jpg fs5.directupload.net/images/151103/pjgld27k.jpg fs5.directupload.net/images/151106/uha5j4fv.jpg fs5.directupload.net/images/151106/u6ehr7q3.jpg fs5.directupload.net/images/151103/dtc2fuay.jpg
All audio and video content (c) Jan Chistoph Godde 2015