36 lines
511 B
C++
36 lines
511 B
C++
#include <NewPing.h>
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#include <Wire.h>
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#include <LiquidCrystal_I2C.h>
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LiquidCrystal_I2C lcd(0x3F, 2, 1, 0, 4, 5, 6, 7, 3, POSITIVE);
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NewPing sonar(12,11);
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void setup()
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{
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lcd.begin(16,2);
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for(int i = 0; i< 3; i++)
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{
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lcd.backlight();
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delay(250);
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lcd.noBacklight();
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delay(250);
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}
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lcd.backlight();
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lcd.setCursor(0,0);
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lcd.print("Distance in cm");
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}
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void loop()
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{
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lcd.setCursor(0,1);
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char cm[3];
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sprintf(cm, "%.3i", sonar.ping_cm());
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lcd.print(cm);
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delay(50);
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}
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