Controlling 4N35 optocoupler using a GPIO signal from PI 4 or Arduino  
 
    
          
   
   
    Added:  2020-09-12 08:30:00 (GMT)
      
      Keywords:  fxv300,Windows10okok,4N35,optocoupler,Arduino,PI 4,Raspberry PI,General Purpose Input Output,Python,electronic project,Raspberry PI project
      Location:  21 Gibson's Hill, London SW16 3JL, UK
   
   
   
     
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