Mark Brader wrote:

Well, which is supposed to break the beam -- your body or your extended
hand? Where are the lamp and sensor placed in relation to the door?

The sensor is above the door. I suspect it's ultrasonic or passive
infra-red rather than a reflected beam, as there's nothing I can see for it
to reflect off.

I'm not sure what the intention is - but the design seems to be a poor one.

Are these the doors for walking from one car to the next?

Yes.

Neil
--
Neil Williams in Milton Keynes, UK
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