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Markov Music Box

markov summary Traditional music boxes play one or two tunes very well, but are not very interactive. Put differently, they have a high quality of synthesis, but a fixed-pattern note sequencer and fixed tonal quality. I wanted to build a device which would play an interesting music-like note sequence, which constantly changed and evolved, with settable timbre, tempo, and beat. To synthesize nice sounding mu ...

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Arduino atmega644/1284 clone

This project is about to DIY an Arduino board wth an ATMEGA644P or 1284P to have more INPUTS/OUTPUTS than on the atmega328P. You can buy an arduino mega but it's more expensive. The microcontrollers will be bootloaded with Sanguino and the project seems to be like another one called CALUNIUM. On this clone you will be able to connect every existing shields. Personally I use the ethernet shield to communicat ...

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The Bat Hat Using Atmega1284

Introduction "An ultrasonic range-finding hat with variable haptic feedback for obstacle detection." -Project Sound Bite For our ECE 4760 final project, we designed and implemented an ultrasonic range-finding hat that uses haptic feedback to alert its wearer about obstacles in his or her path. The hat is equipped with an ultrasonic transmitter/receiver circuit, which is capable of emitting short pulses of u ...

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Ultrasonic Pathfinder Using Atmega1284

Introduction: Our final project for the ECE 4760 course consists of a wearable device to provide aid for the visually impaired. An ultrasonic distance sensor located on a hat collects data of the surrounding environment scanning the area ahead of the user, and uses this data to give an audio feedback through stereo headphones. Using the principles of human sound localization this feedback provides informati ...

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Acoustic Wayfinder Using Atmega1284

Our acoustic wayfinding device utilizes ultrasonic range finders and haptic feedback to facilitate indoor navigation for the visually impaired. The technique of acoustic wayfinding uses auditory cues, such as sounds from the natural environment or sounds created artificially, to determine an individual's surrounding physical space for the purpose of navigation. Our device is an automated and subtle implemen ...

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Clap-E acoustic tracking robot using atmega1284

An Introduction For the ECE 4760 final project, we designed and built a sound follower robot named Clap-E. As its name implies, Clap-E receives a clap sound and moves toward the source of clapping. It has the ability to change its position after multiple claps and readjusts its path toward the source of sound. We didn’t want our robot to be sensitive to human voice or other “common” surrounding sounds, so i ...

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Acoustic Impulse Marker Using Atmega1284

Introduction "A device that tracks sound impluses with a three microphone array" We designed and build a 2-dimentional Acoustic Impulse Marker system which is capable of detecting a sharp sound anywhere in its vicinity and precisely marking its source vector with a servo based pointer. Our system has a full 360 degree range, and is extremely effective at marking the source of sharp sounds to within 5 degree ...

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