Learn how to test Optocouplers/Opto-isolators with multimeter
4:27
Learn how to test DC Motor with a multimeter, Motor winding testing
18:07
How Optocouplers work - opto-isolator solid state relays phototransistor
18:18
Electronics components Testing Part 1
9:29
How I test an Optocoupler in circuit
21:03
How to Diagnose Your Laptop’s Motherboard in 10 Simple Steps - Fix Any Laptop Fast—10 Hidden Tricks
55:59
Complex Electronic Components Testing, Mosfet, Transistor, Voltage regulator, PWM IC, Opto-isolator
21:56
It's a Mistake to Throw Away Oil Filters and Spark Plugs! Simple Ideas to Help Your Life Every Day
7:03