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MakerPlot — The DIY Software Kit Part 2by John Gavlik, Martin Hebel Besides being a great debugging tool, the real power of this customizable software is in its ability to become a virtual instrument for your microcontroller’s data.
Quick and Easy USB Keyboard Inputby William Pippin This circuit is perfect for any application where you use a physical trigger to input data onto a computer. Read how it was implemented for video TIC-TAC-TOE and a bag toss game.
Build the CHROMATICONby Matthew Bates Want to be sure you’re playing musical chords correctly? This unit will tell you if you are and display a light show in the process.
Build a Personal Guitar Microphone Pre-Ampby Ron Hoffman Fine-tune the sound for your guitar just the way you want it with this handy device that will also work with Karaoke machines, boom boxes, and surround sound systems.
Techknowledgey by Jeff Eckert Events, Advances, and News The first human B2B interface, the world’s thinnest keyboard, digital detox, and some tough little fuses are some of the tittilating tidbits you’ll read about.
The Spin Zone by Jon McPhalen Digging Into Dynamixels Learn the inner workings of these drivers, so you can use them to make your own projects move.
Q&A by Russell Kincaid Reader Questions Answered Here A Jacob’s ladder redux, a video monitor alarm, and robot communication issues are discussed this time.
Smiley’s Workshop by Joe Pardue Arduino Handheld Prototyper — Part 5 Data Logging — Take a look at the SRAM and EEPROM on the Arduino, then graduate to SD cards to learn cheap and easy ways to store LOTS of data.
Near Space by L. Paul Verhage A New Airframe Design for Near Spacecraft — Part 1 After a recent capsule landing that did not go smoothly, it was the opportune time to come up with a better and stronger design.