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.
by Jeff Eckert
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.
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.