optocoupler working
10:46
lm317 working as adjustable voltage regulator
16:38
mov working and application
15:32
Opto Coupler in AC PCB || Complete Opto Coupler working details || AC PCB repairing
12:21
Circuit में Component check करने का सबसे आसान तरीका#experiment #electronic#component#testing #method
18:07
How Optocouplers work - opto-isolator solid state relays phototransistor
12:43
Optocoupler ( 817) (episode- 20)
8:31
Non inverting Optocoupler #HPCL3120 #HCNW3120
6:29