Use of Ultrasonic Sensor to Measure Distances
The ultrasonic sensor is a cheap sensor that can measure 2cm to 400cm of non-contact measurement functionality with a ranging accuracy that can reach up to 3mm. It uses sonar waves for echolocation, like bats, to be able to measure distances. This project is an introduction to the use of an ultrason...
By: TechMartian
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By: TechMartian
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[original story: Instructables]