Detect a car using two ultrasonic sensors

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SensoHack
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Joined: Sat Sep 21, 2019 5:37 am

Detect a car using two ultrasonic sensors

Post by SensoHack » Sat Sep 21, 2019 5:41 am

How can one detect a car using two ultrasonic sensors spaced apart say 1m at the entry.When a car moves in, it detects a 1 and it leaves subtracts a 1 to update occupancy status of a car park :roll:

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