Sound is propagating in the form of waves. The amplitude of a wave is the distance from the centre line (or the still position) to the top of a crest or to the bottom. If you represent the sound with ...

This project allows you to control the system volume using a potentiometer connected to an Arduino. The Arduino sends the potentiometer values to the computer, which uses Python to adjust the system ...

One fun and cool thing for ardent audio folks to do is switch the volume of an audio amplifier between levels on a digital panel. Here’s a simple project to help you understand the technology behind ...

This Arduino based MIDI volume pedal is capable of reading the position of an analog pedal, translating the A/D value into the proper numerical range, and sending MIDI signals to a synthesizer. A ...

I’m happy to flag this one, a new volume of the Arduino Project Handbook. Volume 2 sees twenty-five more beginner-friendly electronics projects, revolving around the Atmel AVR-based Arduino Uno board.

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Ever notice how much louder commercials are than the actual program you're watching? Every time a break hits, it's like they're yelling at you about buying their product. Instructables user techbitar ...

Arduino-fanciers Oomlout have put together a neat control box for the popular prototyping board, complete with five potentiometers and three switches. There's also a software app that can monitor the ...

[Labpacks] wanted to build a robot car controlled by his phone. As a Hackaday reader, of course you probably can imagine building the car. Most could probably even write a phone application to do the ...

We've seen every manner of touchpad -- multitouch, gesture recognition, no touch, LCD trackpads -- if you can think of it, somebody has probably done a version of it. Take this particular one for ...