Test a Diode Using Ohm's

12V to 9V a Circuit Using Silicon Diodes

Or Gate Using Diode

Using Zener Diodes Part 1

How to Test Diode Using Multimeter

And Gate Using Diode

Using Four Diode Side by Side to Make a Bridge

And Gate Using Diodes On Breadboard

To Test a Diode and Transistor Using a Multimeter