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Bako.ca | Biking in place through Google StreetView
More usefully described, this project uses a head-mounted-display that has sensors for detection of orientation so that the user can be placed into a Google StreetView scene and can look around freely. For movement through the map, an exercise bike used to estimate forward movement using a simple reed switch that counts the number of revolutions of the wheel.
Pragmatically explained, it means that I don't have to sit in the darkness or stare at my garage door while I'm huffing away. Hopefully once this is done, I'll be able to spend a few nights a week pedalling away downstairs and work my way across the US or Australia over the course of the year. The irony of this project is, well, while it's supposed to help me entain myself while using the exercise bike, the project itself has been keeping me from exercising. Oh well.
It is also a project that I would be thrilled if someone took the idea and made a decent implementation out of it. Make it user focused and reliable and I'll be the first to use it.
How to build an Air Guitar with Arduino, aka the AIRduino Guitar
The idea here is to build a wearable virtual guitar that is to be controlled with two hands much like playing Air Guitar. It has been created and prototyped during a two weeks project at ChalmersUniversity (Sweden) for a Physical Computing class.
The aim is to get the feeling of playing a real guitar. The AIRduino Guitar is made of one glove and one stick. The glove is used to set the tone and the stick to trigger the sound.
To perform such trick, we used an accelerometer and an ultra-sonic sensor (see Step 1 for concept description).
Take a look at the video demo to get a more precise idea of how it works, and get to work to build your own!
Secret Knock Detecting Door Lock - Made by Steve Hoefer
ow many times have you seen a secret hideout with a secret knock? It's a staple of cheesy dramas, Saturday afternoon movies, and tree houses throughout the world.
While working on another project I ran across the Arduino knock sensor tutorial. Sensing a single knock is a great little project for learning about microcontrollers, but what about sensing specific knocks? Seeeeecret knocks? And if we could detect a secret knock, shouldn't it unlock a door? If you can't tell by looking this was cobbled together from spare stuff around the lab, it's not much more than a piezo speaker, a tiny gear reduction motor, and an Arduino. And PVC pipe. How about a video to explain:
Arduino noise box synth | mechomaniac
As my first Arduino project, it was a bit of an experiment with the Arduino programming environment, and I also wanted to investigate direct Audio synthesis using PWM on the Arduino. The basic sequencer concept came from the Arduino Punk Console, while synthesis was adapted from the Atmega SID Project.
The basic features are:
* 16-step programable sequencer with adjustable frequency and duration for each step
* synthesizer with 4 output waveforms (sine, square, triangle and sawtooth)
* noise generation (sirens, laser beam, random noise)
* special random sound modes
The user interface is kept very simple, with just four knobs, three puss buttons, 8 LEDs and a power switch. The speaker is connected straight to a pin on the Arduino via the volume knob - everything is done in the Arduino using PWM to generate analog waveforms. The LEDs indicate the current step in sequencing mode, and provide light patterns in noise modes.
Bunedoggle - Take it to 11
Here's my robot based on the arduino diecimila. It's built from two servos modified for continuous rotation, one standard servo and a sharp ir range finder. The body of the robot is a rechargable battery from black and decker called "pocket power". The wheels and "caster" are parts from capcella. The whole thing is assembled with hot glue.
basic function
The robot sweeps the ir range finder 130 degrees and records the closest object. Objects closer than 10 inches will cause the robot to take action. If this object is more than 45 degrees to the right or left it makes a small correction away from the object. If the object is within the center 90 degrees, it stops, looks left and right, finds the clearest direction and turns about 90 degrees to that direction.
cwwang.com » Blog Archive » GSR Reader
Galvanic skin response readings are simply the measurement of electrical resistance through the body. Two leads are attached to two fingertips. One lead sends current while the other measures the difference. This setup measures GSR every 50 milliseconds. Each reading is graphed, while peaks are highlighted and an average is calculated to smooth out the values. A baseline reading is taken for 10 seconds if the readings go flat (fingers removed from leads).
Serial MIDI
The Serial - MIDI converter (SM = Serial MIDI Converter) is a software solution to get your computer’s serial port (or virtual serial port over USB) talking with your MIDI software and hardware.
Normally, to use an Arduino or other micro-controller with your MIDI software you had to build a MIDI-in and MIDI-out circuit with a few parts and an opto-coupler. Easy enough, but then you would typically need a MIDI to USB adaptor to connect it to your computer.
With the SM and a board like you the Arduino with USB, you don’t need any other hardware to get your Arduino to play music with software such as Apple’s GarageBand or Ableton’s Live !
Theremin Style Instrument
This battery powered electronic musical instrument is a descendant of the theremin and can be played without contact from the musician. This small instrument contains two infared (IR) sensors that measure proximity. One sensor controls the note, while the other controls the octave that is played through the speaker in the front. The tone is reflected by one of seven colors that illuminates the center area and highlights a small indicator located on the top panel.
Could be done with Arduino
Arduino Bicycle Gear Indicator - Windows Live
I did this as a practice project for building a gear indicator for my motorcycle. The idea is that by monitoring the revolution speed of the rear wheel and of the driving pedal I can calculate which of the 6 gears the bike is in. It’s not terribly useful on a bicycle but I think it will be handy on the motorcycle.
Control the world | Mac | Macworld
Your Mac can already talk to all kinds of electronic devices, including digital cameras, camcorders, printers, external disk drives, mobile phones, and other computers. But there are plenty of other gizmos that your Mac can’t communicate with: motors, robots, external LCD displays, and sensors of all sorts.
Create an Applescript/Arduino Alert flag.
introCreate an Applescript/Arduino Alert flag.
Have you ever felt like the mail sound on your Mac just wasn't enough? Simple sounds and alerts just don't cut it for you? You want something more apparent and rewarding? If so, this is the Instructable you've been looking for.
In this Instructable, I'll show you how to hook up your Arduino to your Mac and throw up an actual flag when the alert of your choice occurs. In our example, we'll be doing an email alert, but you can use AppleScript to call this when almost anything happens.
I've created a little Instructables flag to go off when I receive comments on my instructables
Run AppleScripts with the wave of a hand
introRun AppleScripts with the wave of a hand
Use an Arduino to control your Mac. In this Instructable I use a photoresistor to detect a shadow falling over it, then tell my Mac to run an AppleScript to play the next track on iTunes. This can be easily modified to run any AppleScript. It is a relatively easy, beginner level project for an Arduino Mac user
Mac OS Foot Switch from a Guitar Amp Pedal.
Need a foot pedal for your Mac? Got a two switch guitar pedal and and arduino board lying around? A couple of wires, a three prong 1/4" jack and you're all set. I had to do some audio transcription and used my pedal to play/pause and skip back the video.
This tutorial illustrates making a foot pedal for a Macintosh computer using an Arduino and a 2 switch guitar amp pedal.
You'll have to be a little familiar with soldering and writing simple code.
scottmetoyer.com | Arduino Mousetrap
The Arduino Mousecatcher is a quick project I put together to learn some of the basics of working with Arduino, and to assist in the relocation of a little gray rodent I've seen darting around the baseboard in my bedroom.
My first Arduino project « Mekonuv blog
It’s been only a couple weeks since I discovered Arduino, an open source microcontroller platform. I was looking for a cheap interface between my laptop and electronic circuits. Arduino with its price $35 and easy to use development environment was the best choice. So after getting my Arduino Duemilanove board and ordering some cheap components from AllElectronics, I had everything to start working on my old dream, making a magnet fly. Well, float.
It took only a few days to figure out all the problems and my magnet floating device was born:
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