[sdiy] Looking for optocoupler with 1 led and 2 separate resitors (similar to VTL5C4/2)

[Lanterman, Aaron]

On Sep 27, 2011, at 9:18 AM, ganesha wrote:

> I need an optocoupler with 1 led and 2 separate resistors in 1 housing. Does anyone know if such a device exists?
> I'm thinking of something similar to a VTL5C4/2. The only problem is that the resistors in the VTL5C4/2 have 1 common leg. In my case the 2 resistors cannot be connected to eachother.

I'm not aware of anything like that, but one of my students had luck with sticking an LED with a diffuse half-sphere kind of lid, sticking LDRs around it (4 actually, he was doing a 4-pole), and putting the whole assembly into an old  35mm film canister.

- Aaron