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i need your help about optocoupler

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xtine0491

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we have a project to pass, it is a design project which entitled "AUTOMATED LIGHTNING SYSTEM with ONLINE ACCESS" instead of using mechanical relay for this project we will use an optocoupler to drive 220v AC controller and 5v DC driver through USB port and arduino. we will just make a building which is a miniature, our problem is the optocoupler that we will be used for this can yo suggest what we can use?



early thank you for the one who will help..:eek:
 
You can also use an AC solid-state relay which has a DC opto-coupled control input and a power triac AC output in one module.
 
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