The Remote Data Logger & Surveillance Cam
Convert MIDI on and off signals to logic levels without having to deal with assembly language, complex programming circuits, or microcontroller architectures.
Need to keep an eye on something but can’t be there in person? This remote monitor features visual and messaging feedback.
PICAXE Primer
by Ron Hackett
Measuring a PICAXE Processor’s Internal Temperature
In this month's Primer, we're finally going to take a look at the new M2-class readinternaltemp command.
The Design Cycle
by Fred Eady
Building an Intelligent Data Radio
Before we’re done, I am going to show you how to scratch-build a data radio using an RF IC that is melded with a microcontroller.
Open Communication
by Louis E. Frenzel
Near Field Communications
What do we mean by "short?" For cellular, short may be a mile or so. For Wi- Fi, short means less than 300 feet. Bluetooth and ZigBee are even shorter with a maximum range of about 30 feet.
TechKnowledgey
by Jeff Eckert
Events, Advances, and News
The world’s lightest material, batteries that offer 20+ years of operation, and deals on used equipment are just some of the items discussed.
Q&A
by Russell Kincaid
Reader Questions Answered Here
Topics this time include an extra loud car turn signal, a regenerative shortwave radio, and a stethoscope amplifier, just to name a few.
Smiley’s Workshop
by Joe Pardue
Smiley’s Workshop 51: Fritzing With the Arduino — Part 3
So, after three weeks our PCB arrived and it works! Let’s take a look at it and then go a bit further with Fritzing to start learning how to make parts. Part 51
