This geeky clock contains a 12-hour scale that could tell the time although it may look like an analog voltmeter. This geeky clock contains a 12-hour scale that could tell the time although it may ...

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.

With a delivery date of sometime in April of 2015, this extra-analog clock unfortunately isn’t going to arrive in time to be the perfect Christmas gift for the mad scientist on your list. But for ...

With the demands of modern computing, from video editing, streaming, and gaming, many of us will turn to a monitoring system of some point to keep tabs on CPU usage, temperatures, memory, and other ...

A little-known cooling system condition diagnostic trick is to measure the acidity level of the anti-freeze by reading the voltage of the coolant. No kidding. This is a simple test using either a ...

Digital meters are generally more widely used, but there are times when analog is the way to go, and hybrids can provide a “best of both worlds” option. Key differences in analog vs. digital features.

Here is a useful circuit for Arduino lovers and experimenters. It is a simple digital voltmeter, which can safely measure input dc voltages in 0 to 30V range. The Arduino board can be powered from a ...

Digital multimeters are precise and accurate instruments, with some models being very expensive. No matter the cost, one problem pervades every one of these devices: They do a poor job of conveying ...

Take a lens from a Super 8 camera, a whole stack of ni-cad batteries, a digital to analog converter from a voltmeter, a highly experimental CCD and what have you got? Kodak's first digital still ...