Introduction For our ECE 4760 final project, we designed and built an array of 12 independently-controllable speakers to implement an acoustic phased-array system. The system samples a standard audio input signal at approximately 44.1 kHz, and then outputs this signal to each of 12 speakers, each with a variable delay. The idea behind a phased-array […]
Phased Array Speaker System Read More »
Objective: Build a cheap and easy tool to help people with disabilites to better communicate their basic needs. Materials: – Makey Makey – Used box – my box is 6.5 x 3.5″, but you can use a box bigger than that if you want. – 8 Connector wires – Momentary buttons ( Amazon Link ) – Tape – Baking
Assistive Technology for People With Communication Disabilities Using Makey Makey Read More »
Things to Prepare: – Foam Board – Aluminum Foil or Copper Tape – Makey Makey – Computer ( Or Raspberry Pi & Speaker) – Poster Design Step 1: Design a Poster With a Tappable Button. I created a poster for Halloween event for kids. It can be a guessing game about what kind of animal
Interactive Sound Poster for Kids Read More »
Theremin are those unique instruments use to make those alien show theme songs or sound effect. You may have also heard it in Star Trek, Big Bang Theory, or even a haunted house. They produced a unique sound from the electromagnetic effects between wires. Here we will duplicate a similar sound digitally using a buzzer
Make a Pocket-Size Theremin With ESP32 Read More »
In this tutorial we are going to show you how to make an interactive sound wave print within a picture frame, so you can see and hear your favourite song at the same time! When you touch the print through the glass of the frame, it will play the song shown in the sound wave
How to Make an Interactive Sound Wave Print Read More »
This instructable is designed to help you build a simple game buzzer system for classroom review games. In this Instructable, you will create simple cardboard switches that will work with a Makey Makey and will be coded using Scratch. Supplies: 4 Pieces of Cardboard (3 x 3 inches) 4 pieces of Tin Foil Tape cut to
Makey Makey Game Show Buzzer Read More »
Introduction “The sound and experience of drums… Any time, anywhere, with any object.” -Project Soundbyte It’s Friday night and you’re hanging with your friends at home. There are no parties tonight and you have seen everything on Netflix already – you’re bored out of your minds. One of your friends pulls out his portable roll
Drums Anywhere: solution to making a great drum beat Using 3D-printed boxes Read More »
A sound level meter or sound meter is an instrument which measures sound pressure level. Sound pressure level (SPL) or sound level is a logarithmic measure of the effective sound pressure of a sound relative to a reference value. It is measured in decibels (dB) above a standard reference level. The commonly used reference sound
A simple Sound Pressure Level Meter (SPL) dB audio meter using AVR ATmega Read More »
Introduction We created a device that determines the RGB content of a surface and then speaks the color or plays a musical tone at the sound frequency mapped to the color. The device can convert the color to sound directly or function as a cassette player that plays through a tape of colors. The user
Color to Sound Player Using Atmega1284 Read More »
Most car audio sound systems and radios won’t have ultra-high fidelity sound, thumping bass, or lots of extra features like MP3 player inputs. Also, while they may emphasize one area of sound, like bass or treble, they may be missing the overall picture. And that’s why buying a new stereo system (or even simply car
How do I get the best sound out of my car's audio system? Read More »
