>This is for anyone contemplating using opto couplers or similar devices
in

>projects.

>

>    "USE ONLY AS A LAST RESORT!"

>

>Why?  They are SLOOOOOOOOOOW!

>

Not necesarily,



maybe most commercial ones are, but there are also very (extremely) fats
optical sensors and transmitters. Just imagine the speeds of fiber
optics comms.



Gabriel

TGO Electronica

Mexico

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