On every service bench for testing cables, switches, plugs, relays, motors, PC boards, and other alike, a continuity tester is a must. However, an analog tester would be slow to react on ...

From Leatherman multitools to oscilloscopes with built-in signal generators and protocol analyzers, there seems no end to tools with multiple personalities. Everybody loves multitaskers because they ...

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 ...