Everything for Electronics
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Build a Fun Stylophone

I decided to make an electronic musical toy as a Christmas gift for my young son. I browsed the Web looking for inspiration and found the stylophone: a miniature analog stylus-operated keyboard that was invented in 1967 by Brian Jarvis. My unique take on it combines music and writing to make learning fun!

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Build a MIDI Autoharp

This project is a follow-on from my MIDI lyre project featured in the July-August magazine. I’m going to describe how to build a MIDI autoharp. Like the lyre, this is a MIDI controller, so it doesn’t make any sounds itself. Instead, it sends MIDI messages to an external synthesizer. It’s the synthesizer that makes the sounds.

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Build the MIDI Replay Stomp Box

The MIDI Replay stomp box is a powerful configuration and recording device for keyboard players, based on the wonderful MIDI protocol: the standard musical language of over 30 years. 

This article explores the design challenges of this real-time system and covers topics such as task scheduling, buffers, parallel computing, dynamic memory management, response time analysis and menu system design.

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Build a Customizable Musical Doorbell

When my wife and I moved into our current home a few years back, it didn’t have a doorbell. We live on a quiet cul-de-sac, so it really wasn’t a problem as we had few callers. After a while, I installed a wireless doorbell that lasted about three years. Recently, after writing the series of articles on “A Digital Analog — When a PIC Can Replace a 555,” I decided to make one using a PIC.

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Build A MIDI Lyre

When you think of MIDI controllers, you probably think of a keyboard. However, there are many reasons to have MIDI controllers in other form factors (guitars, saxophones, flute/clarinets, and even trumpets for example), not the least of which is fun! In this article, we will make a MIDI lyre version. Also, the techniques presented here will allow you to create your own touch sensitive MIDI controllers in any form factor you can imagine.

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Build a Musical Laser Rainbow Machine

I’ve been searching for a way to give our band’s performances the kind of visual elements that can only otherwise be achieved by true lighting artists. As a musician, inventor, and laser enthusiast, I decided to draw on all my hobbies and have created a light machine that has unique responses to each tone, frequency, and beat.

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Review: Zeppelin Design Labs — Altura MIDI Theremin

A theremin is a musical instrument that is played by waving one’s hands in midair over the instrument itself. There is no physical contact between the player and the instrument. Of course, this makes playing a theremin very difficult. However, help is on the way! Enter the Altura theremin MIDI controller kit!

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