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Get Amp’ed Up Over the Theory Behind Building a Headset or Power Amplifierby Ronald Anderson The last two issues have featured projects to construct amplifiers with different purposes. Read this to understand what makes them both tick.
MakerPlot — The DIY Software Kitby John Gavlik, Martin Hebel So, you’ve designed a microcontroller project. How do you get data out of it or do any debugging? Well, we’ve got the answer for you.
Build the Wireless Super Detectorby Ron Newton This project started out with a singular focus and grew into a multi-purpose circuit with all kinds of sensors for detection and alarm applications.
Build the LED Matrix Game Playerby Matthew Bates With a little imagination and a whole lot of time on your hands, you can create simple — yet amazing — action games you can play anywhere!
Techknowledgey by Jeff Eckert Events, Advances, and News Brain sparks, USB speeding up, a free 3D printer (maybe), and digitizing the throne are just a few of the hot topics discussed this time around.
PICAXE Primer by Ron Hackett Getting Started With Python Programming We're going to begin our Raspberry Pi programming experiments by implementing a simple "Hello World!" program using Python, and then move on to the basics of controlling the RPi's GPIO pins with a Python program.
Q&A by Russell Kincaid Reader Questions Answered Here A Tesla coil project, an infrared pulse amplifier, a mini LTspice tutorial, a backup camera mod, some newbie questions, and MailBag round out this month’s coverage.
The Design Cycle by Fred Eady Programming the Brains Behind CNC Milling Tools and Motors Whether you’re planning a custom CNC application or an embedded monitor and control project, these gizmos will help things add up in your automation.
Smiley’s Workshop by Joe Pardue Arduino Handheld Prototyper — Part 4 See how to get user feedback from the keys and display useful info on the LCD from the fresh air controller.
Open Communication by Louis E. Frenzel 10 Things You Need to Know About Wi-Fi Discover facts about this familiar wireless technology that you may not already know.