For example, you can insert a resistor, a capacitor, an inductor, a diode, or a transistor and get a readout of which pin is which. It seems like magic, but [Andreas Spiess] did the research on ...

To help this set of students, three students of St Luke’s College Jos, Plateau State, Ishaku Yohanna, Shutt Noro and Olawuyi Toyin have come up with a transistor tester which they say is very ...

It’s as if they know me. Their customer database paid off when it recommended a $22 transistor / component tester. I’ve been seeing those testers around quite a bit lately. Curiosity got the ...