Detecting an open/closed door

[Stevolution]

I have a set of sliding doors on a building, made using frames and frame motors.

I need a redstone signal to give me indication that they are either open or closed.

My original idea was to have a daylight sensor in the floor with a glass block above it, and to send the signal through the next block with redstone + torch on the other side (so there was no light let into the sensor area).

When the door was over the single block - no light... I should get an output.

But it doesn't work.

I thought daylight sensors were adjustable, but screwdrivers just rotate them

Any other ideas for sensors?

[Wandorf]

Try having a redstone torch attached to one of the frames that will hit a wire when it is opened.

[Backplague]

You can adjust most of the gates by shift+clicking with the screwdriver.

[Stevolution]

Thanks - I will try those. Like the redstone torch idea.