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Simple ultrasonic range finder using HC-SR04 [Project]
posted October 11 2013 13:59.08 by spic0m




The HC-SR04 ultrasonic sensor uses sonar signals to determine distance to an object. It offers excellent range accuracy and stable readings in an easy-to-use package. Its operation is not affected by sunlight or black material.However, acoustically soft materials like cloth can be difficult to detect.



[Link: buildcircuit]
 
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