I would appreciate some ideas
I have a board with a piece of plexiglass that sits about an half inch above. When an object lands on the plexiglass i need to register an event (just recognize it happened)
Challenge: the sensor has to be undermount the plexi glass.
A UFO, an automobile or a particle of dust?
Would a light dependant sensor have a chanse to detect fast light changes?
A bean bag about 3in^2
It could be dark outside and it doesnt have to be a sub second response.
About 6oz
A microswitch would work well in that case.
could a TOF sensor be used to detect movement?
If the obect is 3in^2 6oz and my surface area is 48inx24in it would seem logical that i would need many controllers based on the plyability of the plexiglass. These devices seem to trigger based on pressure against the switch. Yes?
Use a light source when darkness comes?
This looks interesting but does the lazer relect off every material type and my guess is this is linear so i could need manu to cover an entire 48inx248n surface
Correct. Obviously, to find a method that works reliably, you will need to do some experiments.
No need, use a rotating mirror to scan the surface, just like the scanners in grocery stores.
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