Control Servo Using PIR Sensor

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Introduction: Control Servo Using PIR Sensor

About: I am an electronic hobbyist on Arduino, Photon, Raspberry Pi and common electronics.A passionate cook.Any assistance in electronics and web development feel free to contact me at appytechie.at@gmail.com.

Hi guys, I'm Sridhar janardhan popularly known as Appytechie.I feel privileged to share my first instructables.In today's instructables i am going to deal with the control of servo using a PIR sensor.Where can we implement this idea ?? imagine the working of automatic doors, it required laser light technology sometimes which might be expensive, So to come up with the same function in an affordable cost we have found this circuit that consists of three component and a little bit of coding experience.

So let's get started.

Step 1: Components Required :

The components required for this Instructables are :-

  1. Arduino Uno
  2. PIR sensor
  3. Servo motor
  4. Breadboard
  5. Jumper wire

So after gathering the required component let's get into building the circuit.

Step 2: Connecting the Sensor :

Passive Infrared Sensor (PIR) , a sensor that measures infrared light radiating from objects in field. The sensor work upon the temperature changes in the field of its radiation. For example, if a human passes by its field the temperature changes from room temperature to the body temperature this change in temperature is sent as a signal to the Arduino board.

Connection of the PIR sensor to the Arduino board is as follows :-

  • VCC to the positive railings of the Bread board.
  • OUT pin to the Digital pin 12 of the Arduino board.
  • GND pin to the Negative railings of the Bread board.

After implementing the connection of the PIR sensor let's connect the servo motor.

Step 3: Servo Connection :

Servo motors, A specially designed motor to control the angular positions.It has three wires coming out of its case i.e Signal wire(Orange wire), VCC wire(Usually red) and ground wire (Usually black or even maroon ).

The Servo are connected to the Arduino as follows:

  • Signal wire (Orange wire) is connected to the digital pin 4.
  • VCC wire (red wire) is connected to the positive railings of Breadboard.
  • GND wire is connected to the Negative railings of the breadboard.

So before we upload the code into the Arduino make sure we connect the 5v pin on the Arduino to positive railings of the Breadboard and the GND pin of Arduino to the negative railings of the Breadboard.

Step 4: The Output :

Step 5: Leave a Comment Below :

If any of the users are feeling difficult in above project or you need an assistance in any of your electronics project please feel free to leave a comment below.

Mail me the project name in which you need assistance at official.appytechie@gmail.com.

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    16 Discussions

    0
    ArjayC3
    ArjayC3

    Question 1 year ago

    Hi good day, im Arjay a college student.

    I just want to ask for a help regarding my project "Automated Door using Pir and Servo(DOOR) like the one on the entrance of malls but in cheaper and miniature version.

    I just want to ask for your help in coding.

    The scenario is, when the PIR SENSOR detects motion, the door opens BUT it closes after 5 seconds(5 seconds was based on the adjustment I've done on the Time Delay trimmer of the PIR).
    Now, the condition is, when the PIR detects someone and he/she is staying at the opening of the door, the door should remain open.
    Can you please help me figure out the logic behind that automated door? where as long as im staying in the front of the door, the servo/door SHOULD still remain open and it only CLOSES when i walk pass the door or no any other motion is detected.
    Please

    This is my code and i know im missing some logic in this. I hope for your response, and any advice would be a big big big help to me. Thank you and godbless!

    #include <Servo.h> // Library for Servo
    Servo myservo; // Name of my Servo
    int led = 13;

    int sensor = 2; // Sensor is connected to D2
    int state = LOW; // Initial value for variable state is low
    int val = 0; // Initial value for variable val is 0
    void setup() {
    pinMode(led, OUTPUT);
    myservo.attach(9); // Servo is connected to D9
    pinMode(sensor, INPUT); // D2 is set as a Input
    Serial.begin(9600); // Start for Serial Communication
    }
    void loop() {
    val = digitalRead(sensor);
    if(val==HIGH){
    digitalWrite(led, HIGH);
    myservo.write(60);
    if (state == LOW){
    Serial.println("Motion Detected");
    state = HIGH;
    }

    }
    else {
    digitalWrite(led, LOW);
    myservo.write(180);
    if(state == HIGH){
    Serial.println("Motion Stopped");
    state = LOW;
    }
    }
    delay(10);

    0
    idreeszahid62
    idreeszahid62

    Answer 15 days ago

    Thank you bro for the code

    0
    sstanley7
    sstanley7

    Question 11 months ago

    Where is the code?

    0
    ArjayC3
    ArjayC3

    1 year ago

    Hi good day, im Arjay a college student.

    I just want to ask for a help regarding my project "Automated Door using Pir and Servo(DOOR) like the one on the entrance of malls but in cheaper and miniature version.

    I just want to ask for your help in coding.

    The scenario is, when the PIR SENSOR detects motion, the door opens BUT it closes after 5 seconds(5 seconds was based on the adjustment I've done on the Time Delay trimmer of the PIR).
    Now, the condition is, when the PIR detects someone and he/she is staying at the opening of the door, the door should remain open.
    Can you please help me figure out the logic behind that automated door? where as long as im staying in the front of the door, the servo/door SHOULD still remain open and it only CLOSES when i walk pass the door or no any other motion is detected.
    Please

    This is my code and i know im missing some logic in this. I hope for your response, and any advice would be a big big big help to me. Thank you and godbless!

    #include <Servo.h> // Library for Servo
    Servo myservo; // Name of my Servo
    int led = 13;

    int sensor = 2; // Sensor is connected to D2
    int state = LOW; // Initial value for variable state is low
    int val = 0; // Initial value for variable val is 0
    void setup() {
    pinMode(led, OUTPUT);
    myservo.attach(9); // Servo is connected to D9
    pinMode(sensor, INPUT); // D2 is set as a Input
    Serial.begin(9600); // Start for Serial Communication
    }
    void loop() {
    val = digitalRead(sensor);
    if(val==HIGH){
    digitalWrite(led, HIGH);
    myservo.write(60);
    if (state == LOW){
    Serial.println("Motion Detected");
    state = HIGH;
    }

    }
    else {
    digitalWrite(led, LOW);
    myservo.write(180);
    if(state == HIGH){
    Serial.println("Motion Stopped");
    state = LOW;
    }
    }
    delay(10);

    0
    kfxarts
    kfxarts

    Question 2 years ago

    Nada adianta sem Código
    not código?

    0
    kfxarts
    kfxarts

    Question 2 years ago

    Código?

    0
    Swansong
    Swansong

    3 years ago

    That looks good, thanks for sharing :)

    0
    cornelius3
    cornelius3

    2 years ago

    Looks great until you realize there's no code. Very annoying.

    0
    pranavkompally
    pranavkompally

    2 years ago

    Where is the code man, upload the code, send it pkompally@gmail.com

    Please urgent

    0
    JorgeO81
    JorgeO81

    2 years ago

    Where is the code?

    0
    NaeimG1
    NaeimG1

    3 years ago

    This is not the code for controlling servo