As opposed to previous displacement detection, a simpler method would be to detect water as it reaches the bottom of the manhole cover thus also giving a pre-emptive warning. This is done by using a noncontact water level sensor.
A project log for Man Hole Alert
A Safety alert system for motorists and pedestrians when drainage covers lift up during floods
As opposed to previous displacement detection, a simpler method would be to detect water as it reaches the bottom of the manhole cover thus also giving a pre-emptive warning. This is done by using a noncontact water level sensor.
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