[chantilly_team]

I realised that a lot you guys are advicing us to use a physical / mechanical sensor, but in the project, we need to have an electronic sensor of some kind, to measure distance. If that distance is more than or less a specific value (say 4 feet), then it should trigger something.

So we wanted to place an electronic sensor there. But we are not sure. Ultrasonic transducers (transmitter+receiver pair) is a good option. But we dont know if they work well, or what kind of output do they give(digital/analog).

Thanks,
Team 612.