Pill Sized Timers - Big Medicine For Your Little Projects
One of the neatest things about pill timers is their size, so you can easily add them to any of your projects, curing the headache of space issues.
Editor's review of the SparkFun ProtoSnap Pro Mini
Brighten up your outfits with EL wire.
Add a date/time stamp to your closed circuit television camera system with this real time clock-based on-screen display.
TechKnowledgey
by Jeff Eckert
TechKnowledgey 2011
The most complex ground-based observatory comes to life, a CPU sets a world clock record, and using an iPhone for medical imaging are just some of the current topics covered this time.
PICAXE Primer
by Ron Hackett
PICAXE Primer
Upgrading the recent serial LCD project.
Q&A
by Russell Kincaid
Q & A
Learn about a deer repellant circuit, a sine wave modulator, IR remote control, plus a lot of other stuff people have questions about.
Fundamentals For Beginners
Build an English Police Siren
This circuit lets you simulate the sounds of an English police siren by creating two different tones with a pushbutton switch.
Open Communication
by Louis E. Frenzel
Open Communication
Building a crystal radio — is it a sane thing to do?
Smiley’s Workshop
by Joe Pardue
Smiley’s Workshop 41: Digital I/O — Part 3
Digital I/O — Part 3-41 Bitwise Operations
