mirror of https://github.com/noisymime/Arduino.git
Updating Ping example (to print distance rather than blink an LED).
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@ -1,9 +1,8 @@
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int pingPin = 7;
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int pingPin = 7;
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int ledPin = 13;
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void setup()
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void setup()
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{
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{
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pinMode(13, OUTPUT);
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Serial.begin(9600);
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}
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}
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void loop()
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void loop()
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@ -28,12 +27,14 @@ void loop()
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// convert the time into a distance
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// convert the time into a distance
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inches = microsecondsToInches(duration);
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inches = microsecondsToInches(duration);
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cm = microsecondsToCentimeters(duration);
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cm = microsecondsToCentimeters(duration);
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// the closer an object is, the faster the led will blink
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Serial.print(inches);
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digitalWrite(ledPin, HIGH);
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Serial.print("in, ");
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delay(cm);
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Serial.print(cm);
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digitalWrite(ledPin, LOW);
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Serial.print("cm");
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delay(cm);
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Serial.println();
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delay(100);
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}
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}
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long microsecondsToInches(long microseconds)
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long microsecondsToInches(long microseconds)
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