Having good contacts is important – not only in your daily life, but also in electronics. In contrast to social contacts, the reliability of electrical contacts can be checked quickly and easily.

Extech Instruments, a supplier of test and measurement equipment for the industrial marketplace, has announced its CT20 Continuity Tester Pro. This affordable test product features the unique ...

This is a simple circuit named Polarity cum Continuity Tester. With the help of this circuit, we can also identify that whether the components we are using in our circuit are good or bad before ...