This Grove - Ultrasonic ranger is a non-contact distance measurement module which works at 40KHz. When we provide a pulse trigger signal with more than 10uS through singal pin, the ...
This Grove - ultrasonic sensor is a non-contact distance measurement ... void loop() { int dist_cm = ultrasonic.UltrasonicRangerRead(pin); // read data from ultrasonic ranger Serial.println(dist_cm); ...
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