SENSORES 001 - HC SR04 Ultrassônico
Material Necessário :
Arduino Uno
Sensor HC-SR04
Protoboard
3 leds
3 Resistores 330 ohms
Jumpers
Código :
// Arduino Brasil - Blumenau
// Sensores - 001 HC-SR04
//Eduardo Graes
#include <Ultrasonic.h>
Ultrasonic ultrasonic(3, 2);
int distance;
int ledAzul = 10;
int ledVerm = 11;
int ledBran = 12;
void setup() {
Serial.begin(9600);
pinMode(ledAzul,OUTPUT);
pinMode(ledVerm,OUTPUT);
pinMode(ledBran,OUTPUT);
}
void loop() {
distance = ultrasonic.read();
Serial.println(distance);
delay(300);
if (distance < 10) {
digitalWrite(ledAzul,HIGH);
}else{
digitalWrite(ledAzul,LOW);
}
if (distance < 7) {
digitalWrite(ledVerm,HIGH);
}else{
digitalWrite(ledVerm,LOW);
}
if (distance < 4) {
digitalWrite(ledBran,HIGH);
}else{
digitalWrite(ledBran,LOW);
}
}
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