If you'd like a voltmeter for a small project but don't want to shell out for a commercial model you can make your own using a dollar store pedometer, a PIC12F683 microcontroller, and a few other ...
The Family Handyman on MSN
Decode Your Multimeter with a Complete Must-Know Guide to Multimeter Symbols and Their Meanings
When you need a multimeter for testing electrical equipment around the home, it's vital to know what all those symbols around the dial mean.
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