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Build the Battery Marvel
November 2011
This easy-to-build 12V battery monitor will alert you well before your car, truck, boat, or motorcycle battery fails.
Build the rCube: A Talking Memo Alarm Clock
May 2009
This unique talking clock and MP3 speaker can record voice memos or your favorite song for your alarm, plus it's an interactive nightlight too!
Wirespondence, Serial Bluetooth with a Micro, Analog Front End, AM/FM Receiver Restoration
Selected questions from past Q&A columns.
Need to brush up on your electronics principles? These multi-part series may be just what you need!