कपलर,सही और ख़राब कपलर कैसे जाने? How to test good and bad coupler? how to test a optocoupler?

[@bholakumarbhardwaj9189]

Bhai sahab aap genius hai yaar bahut Aisa checking wala video kisi ne nahin Dala TH-cam jis per Puri tarah se aapane check karke

[@led007st]

Very good video

[@Pcbsolution-xk9km]

Thanks for the visit

[@zahidabbasi566]

Awesome informative video

[@ChotuuSian]

Good work 👍

[@HarishKumar-fh1ii]

Thanks 🙏

[@Pcbsolution-xk9km]

You’re welcome 😊

[@RAJESHPandey-ci7sx]

Very nice 👌

[@harshp2786]

Bahot acha

[@ExpertRAC]

Thanks sir

[@farhadali6377]

❤❤❤❤❤❤

[@SwingMotor]

Transistor me reading nhi aani chahiye??

[@Pcbsolution-xk9km]

Right

[@SwingMotor]

Dono side ke pin me continuity nhi aani chahiye

[@Pcbsolution-xk9km]

Yes