Motion_Sensor_Triggers_Servo.ino

/* Sensor Triggers Servo*/
// Define connection pins:
#define pirPin 2
#define ledPin 13

#include <Servo.h>

Servo myservo; //Create servo object to control a servo

bool motionState = false; // We start with no motion detected.
unsigned long lastActivation = 0;

unsigned long risingDebounceTime = 2000;
unsigned long fallingDebounceTime = 5000;

int targetPos = 0;
int currentPos = 0;

int potpin = A1;
int potpin2 = A0;

void setup() {
  // Configure the pins as input or output:
  pinMode(ledPin, OUTPUT);
  pinMode(pirPin, INPUT);
  // Begin serial communication at a baud rate of 9600:
  Serial.begin(9600);
  // attach servo connected to pin 9 to the servo object
  myservo.attach(9);
}

void loop() {
  
  speed = analogRead(potpin);
  speed = map(speed, 0, 1023, 100, 20);

  angle = analogRead(potpin2);
  angle = map(angle, 0, 1023, 45, 180);
  
  int val = digitalRead(pirPin);

  unsigned long now = millis();

  // are we reading motion right now
  if (val == HIGH) {
    // was there no motion last frame?
    if (motionState == false && now > lastActivation + risingDebounceTime) {
      // if so, this is new motion and we do all the things
      digitalWrite(ledPin, HIGH);
      Serial.println("Motion detected!");


      targetPos = angle;

      lastActivation = now;
      motionState = true;
    }

  } else { // If no motion is detected (pirPin = LOW), do the following:

    // was there motion last frame?
    if (motionState == true && now > lastActivation + fallingDebounceTime) {
      // if yes, motion just ended, so lets do our clean up
      digitalWrite(ledPin, LOW);
      Serial.println("Motion ended!");

      targetPos = 0;

      lastActivation = now;
      motionState = false;
    }

  }
  if (targetPos < currentPos) {
    currentPos --;
    myservo.write(currentPos);
    delay(speed);
  } else if (targetPos > currentPos) {
    currentPos ++;
    myservo.write(currentPos);
    delay(speed);
  }
}