There’s hardly any piece of test equipment more fundamental than a volt ohm meter. Today you’re likely to have a digital one, but for most of history, these devices had real needle meters. The ...

The circuits were designed using two A/D converters to create a voltmeter and ampermeter. The circuits are designed with the combination of CA3161E and CA3162E to imposing a complete 3-digit display ...

This simple micro ampere meter circuit can help in measuring small currents in five ranges: from 1 µA to 10 mA. The meter is working in this way: the current being measured Ix shifts the input voltage ...

Adafruit has this week announced the availability of a new Mini Power Meter complete with Voltage, Current, Watt’s mAh and mWh display, which is capable of supporting a wide variety of different ...

The road ahead looks like a black hole. It's so dark and so dreary, even the bravest Saturday mechanic would prefer to be off the highway and safe at home. Unfortunately, you're still hours away from ...