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Craig Lindley

Craig has been interested in the production of lights/sounds/music with computers for a long time. He is the author of the book “Digital Audio with Java” published by Prentice-Hall. He lives in the mountains of Colorado and can be contacted at .(JavaScript must be enabled to view this email address). When not messing around with electronics and/or computer projects, wood working or beer brewing, he does a solo musical act around Colorado Springs.

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Craig's Articles

Teensy Eight-Channel Digital Color Organ
March 2017
This digital color organ is designed to have good frequency selectivity so that the color and brightness of the display LEDs are directly related to the frequency content of the music it is supposed to be synchronized to; not just to its amplitude.

ESP8266 RSS News Reader
January 2017
Utilize the versatile ESP8266 module to get your daily dose of news.

ESP8266 Weather Clock
November 2016
Build a Weather Clock with the ESP8266: a low cost Wi-Fi chip with full TCP/IP stack and MCU (Micro Controller Unit) capability.

Make Your Own Portable Media Center
October 2016
With a few pieces of hardware and a Raspberry Pi, you can have a traveling entertainment system that fits in the palm of your hand.

ESP8266 NTP Clock
June 2016
The ESP8266 family of devices makes inexpensive access to the Internet a non-issue, so it’s perfect to use to build a digital NTP clock.

Thinking of You
November 2015
Let friends and loved ones know that you're thinking of them, or your buddies know it's beer o'clock, or the car pool that you're on your way — all with just the push of a button!

Meet the ESP8266
October 2015
It’s not often that a new piece of hardware immediately captures the attention of the builder community. The ESP8266 is the newest example at only about the size of a nickel, with a powerful 32-bit microcontroller and Wi-Fi interface.

A Web Controlled Music and Internet Radio Player
August 2015
Never be at a lack for music with this incredibly flexible system that features the Pi MusicBox software.

Using Serial Bluetooth With a Microcontroller
June 2015
See how to stream serial data via Bluetooth and build a Crystal Palace in the process.

Driving LEDs with a Microcontroller
April 2015
Typically, one of the first experiments people do when working with microcontrollers is to blink an LED. However, the thrill of this wears out pretty quickly, so let’s see what else can be done.

MIDI Buddy
February 2015
New to MIDI? Then, you need a Buddy to experiment with and learn about this musical protocol.

Build the Light Appliance
October 2014
This IR remote controllable 32x32 RGB LED display does way more than just flash pretty lights.

A Unique LED Clock
March 2014
Just when you thought there were no more cool electronic clocks to build, this Arduino-controlled version showed up.

An Arduino Controlled Digital FM Radio
February 2014
While you can always listen to the radio from some newfangled device, why not do it the old-fashioned way — over the air from a desktop unit. (Plus, you get to control it with a remote!)

More Raspberry Pi, Anyone?
August 2013
Get step-by-step instructions on how to turn your RPi into a remote-controllable Internet radio/music file player.

Make A Smart Necklace
July 2013
Your Mardi Gras “beads” will be the talk of the town with this customizable jewelry that makes great gifts too!

Building an Electric Guitar
June 2013
This project will be music to your ears if you’ve ever wanted to construct your own stringed axe. Building this guitar — while not your typical Nuts & Volts project — was a lot of fun.

Raspberry Pi, Anyone?
March 2013
Get a piece of this popular DIY action by learning how to cook up your own RPi to start experimenting with.

The Desktop Contemplator
December 2012
Looking for some inspiration, electronic style? Well, this is the device for you! Gaze into its palette of colorosity to both amaze and calm yourself.

DDS and the Electronic Music Box
April 2012
Make Music With Digitally Generated Analog Signals.

Build Your Own Wi-Fi Internet Radio
March 2012
Get access to literally thousands of radio stations world wide to customize your very own play list. Plus, you get to control the unit from the comfort of your armchair with an iPod Touch.

Build the Infinity Portal
August 2011
Construct this updated version of an infinity mirror using LEDs controlled by an Arduino.

Turn A Broken Laptop Into A Digital Picture Frame
January 2010
Give an old laptop a new life by turning it into a digital photo gallery.

Psychedelia II
January 2008
This color organ has both hardware and software (firmware) components. What is different about this design is that all of the frequency selectivity is provided by digital filters in the digital domain and the output devices are now low voltage super bright LEDs

WEBSTER: The Mini Web Server
July 2008
In thinking about conservation, it occurred to me that hosting my personal website on a desktop PC used a lot of energy. Even without a monitor, a desktop PC draws about 120W of power or about 200 KWH a year. So, I designed and built a low power alternative — Webster, the mini web server. There are many uses for Webster-like web servers including...

Floating Point Multiplication and Division Without Hardware Support
September 2007
Using Horner’s method to provide floating point support on microprocessors or microcontrollers that don’t have support built in.

Lattice Wave Digital Filters
November 2007
This article, and the accompanying design tool, were a result of my investigation into LWDFs which were just too cool to pass up.

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