PIR sensor with and without arduino

Hello guys
here you can see how interface PIR sensor with and without arduino board.

use of this sensor is very easy , by connecting some wires as shown in diagram you can use this sensor.


here is circuit diagram :-





























After connection as per diagram you need to upload this simple code :-

----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

#define pir 10
#define op 13
int val;

void setup() {
  pinMode(pir, INPUT);
  pinMode(op, OUTPUT);
}

void loop() {
  val = digitalRead(pir);
  if(val == HIGH) {
    digitalWrite(op, HIGH);
  }
  else {
    digitalWrite(op, LOW);
  }
}

----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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