TouchTone Phone Controller
Project: Circuits,
February 2010, Page 37
This circuit offers the ability to control multiple AC devices using a TouchTone phone and off-the-shelf wireless transmitters.

Phone Ring-A-Thing Control
Project: Home Automation,
November 2009, Page 40
Use your cell phone and this device as a receiver/decoder system to perform remote functions.

LED Weather-Proof Rubber Enclosure
Project: Nuts & Volts Special,
December 2006, Page 52
A short time ago, I was working on a small digital project hat required the use of circuit-status indication lights outside of the building that the device was installed in. LEDs, of course, were the appropriate choice for these indicators and, because of obvious weather conditions, etc., I had to use some sort of “weather-proof” enclosure for the LEDs. On my workbench was a package of those very common pencil-topper erasers that are simply inserted over the end of a pencil....