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Polygraph Prototype (Final Design Project)

Posted January 20, 2014 by Chris

"For our design project we constructed a polygraph which measured pulse rate, GSR, and breathing rate, and performed a discrete cosine transform on the subject’s voice in the hope of measuring a deviation in the fundamental frequency. The measurements were sampled, analyzed, and transmitted to a computer for further analysis using an ATMEL AVR Mega32 microcontroller."

Theremin as a Capacitive Sensing Device

Posted January 18, 2014 by Chris

"Here we show a little Theremin module which plugs onto a Arduino Board that gives out the tune to a speaker or puts out the tune as control signal like MIDI, Servo etc. We were using this device not only as a musical instrument, various kinds of proximity sensors, pointing devices or as interface in combination with Processing, Max or Pd have been build with this technique."

Bicycleledpov: A bicycle Visual LED Artwork

Posted January 13, 2014 by Chris

"Bicycle LED POV hardware V1.0. The microcontroller unit (MCU) is the Atmel AT90USB162, 8 bits microcontroller with USB functionality. MCU will be able to determine the velocity of the bicycle wheel by reading impulses of the hall effect sensor. Knowing the velocity, MCU will read the images from the DataFlash memory using SPI bus, and in the correct timing will send them to the LED drivers using SPI bus, turning on and off the LEDs."

Programming an ATtiny85

Posted January 12, 2014 by Chris

"I recently decided that I wanted to use an ATtiny85 for a small project I have in mind. So I ordered a couple from DigiKey. Once I got them I realized that I only had a very vague Idea on how to go about programming them. I ended up following instruction from the brilliant people of the High-Low Tech group at MIT."

Another (Arduino) Audio Spectrum Analyzer

Posted January 6, 2014 by Chris

"My last project is an audio spectrum analyzer. The work has been done using a MSGEQ7 integrated. The result is shown using an 2X16 LCD display. The bars are built using defined characters.
The chip only gives 7 info of frequency. I’ve arrived until the 16 bar interpolating values based in the 7 given."

A Bicycle Computer

Posted January 3, 2014 by Chris

"My first Physical Computing class assignment for this summer was to create a bicycle computer. This is a device that you stick on your bike and it tells you how fast you are going, what your speed is, etc. Following is how I made my own bicycle computer. I used an Arduino to power several features. Data from these features were then displayed on an LCD screen."

Dedicated IR Remote Receiver Board

Posted December 31, 2013 by Chris

"I’ve talked in at least 1 other post about how to use the Infra Red remote control of a toy helicopter for other projects : once the protocol reverse engineered, it’s very easy to program a micro controller to listen to it and I find it very useful to integrate this into any project that needs some wireless remote controlling."

TinySynth Using An ATTiny Micro

Posted December 27, 2013 by Chris

"The TinySynth is a program loaded onto an ATTiny45/85 that uses an eight-bit microcontroller to make sounds. We’ll need: TinyProgrammer, ATTiny45/85, Coin Cell Battery, Paper Speaker, Conductive Ink."

Serial Communication with Flash and Processing

Posted December 7, 2013 by Chris

"The concept of serial communication adds a whole other dimension to what you can do with the Arduino microcontroller. Communication with other applications is essential for the type of projects I would like to develop…My excitement in learning the technical aspects of serial communication encouraged me to experiment with with two dynamic programming environments that I enjoy working with: Flash and Processing."

Atmel ATMega8/88 Universal Board (Automation & Measurement)

Posted November 18, 2013 by Chris

"This is my newest microcontroller board. Its based on an ATMega8/88 Controller. It’s suitable for small automation and measurement applications. The application can be battery powered or use a small external power supply. This board uses some of the definitions from Roboternetz."

Bit muster also has a collection of other innovative projects listed out all with download about source code and schematics.