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optocoupler LED and LDR

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ulaska

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optocoupler ldr

can you please suggest a optocoupler with LED and LDR?
can i build a working one ,by myself?
 

IanP

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optocoupler led

This combination, LED+LDR, may be difficult to find, so here is the recipe for building one by yourself:
**broken link removed**

Regards,
IanP
 

    ulaska

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Davood Amerion

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ldr optocoupler

ulaska,

Yes you can make it yourself.
use 1 LED and couple its light to 1 LDR, something similar this : (see "Tremolo LDR Optoisolator " on that site")

**broken link removed**
 

    ulaska

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