I want to order from this site: http://nl.rs-online.com/web/c/?searchTerm=OPTO+ISOLATOR&sort-by=P_breakPrice1&sort-order=asc&view-type=List&sort-option=Prijs
but there are like 232 search result...
I want to use it for this: http://www.glacialwanderer.com/hobbyrobotics/?p=10 (flash triggers by a 5v signal).
What specs do i need? (i need one with a total of 4 pins)
also if someone can find a powerswitch tail on http://nl.rs-online.com then that would be great, they have 500.000 product and i can't find shit.