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hi ,i am using pci 6014 DAQ card for my project.
now i am trying to take optocoupler o/p on dio line of DAQ card.
but the problem is when i checked the optocoupler module seperately it works fine .when i connect it to the dio pin of DAQ card the voltage ot dio pins droup to 0.7v and remains...
yes i measured the voltage across led that is coming out to be 1.7v
Added after 1 hours 2 minutes:
hey i think i should clear the terminals first. initialy i thought the terminal denoted as E as emitter.but now i think i am wrong.refer the datasheet which i posted initialy.tell me if you...
hi frends.
i am working with optointerupter H21A1.it is having 4 pins . i connect the 220 ohms R to the anode terminal of it and cathode is made grounded. Also i have connected the pull up R of 10 k to the collector terminal with 5 v supplyand emitter is made grounded. I observed the output in...
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