Here is a handy zener diode tester which tests zener diodes with breakdown voltages extending up to 120 volts. The main advantage of this circuit is that it works with a voltage as low as 6V DC and ...

Multimeters are complex little bits of kit that are a key part of any electrician's toolkit, and can be hugely helpful for more complicated DIY projects that might involve wiring or currents. They ...

The CW10 clamp-on power meter combines the functionality of a standard clamp-on tester, digital multimeter, and power monitor The CW10 clamp-on power meter combines the functionality of a standard ...