gollapudi
Newbie level 6
i m giving 5v suppy to 7408 AND gate and getting pulse o/p and giving its o/p to opto coupler but my optocoupler giving only supply voltage as output so what to do plz respond me.
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i m giving 5v suppy to 7408 AND gate and getting pulse o/p and giving its o/p to opto coupler but my optocoupler giving only supply voltage as output so what to do plz respond me.