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The Good, the Bad, and the HexBrightby Christian Carlberg Follow Christian’s journey with Kickstarter for his Arduino-based flashlight that finished in the top 10 most funded projects.
Construction of a Low Budget 180 MHz RF Sweep Generatorby Robert Reed Your bench could be sporting a unit like this for around $75 in parts ... plus your labor, of course.
Build a Wireless Silent Alarm Warning Systemby Roger Secura This is an inexpensive transmitter/receiver system you can build in one night that will let you know if something is amiss.
My Christmas Can Light Dimmerby Frank Muratore Since I wasn’t going to be able to replace my incandescent icicle lights with new LED versions, I needed a way to extend their life.
MakerPlot — The DIY Software Kit Part 3by John Gavlik, Martin Hebel This time, learn how to connect your microcontroller to the software to plot a single channel of analog data. Plus, see how to scale raw ADC data into corresponding voltage levels so you don’t have to do math inside your micro.
PICAXE Primer by Ron Hackett The Ins and Outs of Python Programming Start off with a few Python experiments with digital inputs on the Raspberry Pi, then implement a Cylon Eye project to continue our quest of interfacing the PICAXE with a Pi.
Q&A by Russell Kincaid Reader Questions Answered Here Bandpass filters, 12 volt control, and NiCad battery chargers are asked about and answered this time.
Smiley’s Workshop by Joe Pardue Arduino Handheld Prototyper — Part 6 It’s a wrap with data logging. Learn how to upload sensor data directly to a PC — first, via the serial port and then using an SD card.
Open Communication by Louis E. Frenzel Wireless Watches Will Win the Wearable Wars Even though cell phones have encroached on the time-keeping arena, you may want to rethink the wristwatch concept.
Techknowledgey by Jeff Eckert Events, Advances, and News Light-emitting pasta, Intel + Arduino = Galileo, a DC meter suitable for battery monitoring, and an IEEE conference in Vegas are just some of the highlights from this month’s selection.