1.垃圾桶
垃圾桶
#include <Servo.h>
Servo myservo;
const int servo_pin = 2;
const int trig_pin = 3;
const int echo_pin = 4;
const int inter_time = 200;
int time = 0;
void setup()
{
Serial.begin(9600);
myservo.attach(servo_pin, 500, 2400);
myservo.write(90);
pinMode (trig_pin, OUTPUT);
pinMode (echo_pin, INPUT);
delay(3000);
}
void loop()
{
float duration, distance;
digitalWrite(trig_pin, HIGH);
delayMicroseconds(1000);
digitalWrite(trig_pin, LOW);
duration = pulseIn (echo_pin, HIGH);
distance = (duration/2)/29;
Serial.print(distance);
Serial.println(" cm");
time = time + inter_time;
delay(inter_time);
if (distance < 10)
{
for(int i = 1500; i >= 1100; i-=25){
myservo.writeMicroseconds(i);
Serial.println("2");
delay(100);
}
delay(1000);
for(int i = 1100; i <= 1500; i+=25){
myservo.writeMicroseconds(i);
Serial.println("1");
delay(100);
}
}
}
