PIR motion sensor HC-SR501 module infrared sensor เซ็นเซอร์จับความเคลื่อนไหว

HC-SR501 module infrared sensor เซ็นเซอร์จับความเคลื่อนไหว PIR motion sensor HC-SR501 สามารถปรับค่า Distance Adjust และ Delay time Adjust ตามการใช้งานอยากให้ตรวจจับไว หรือช้า


Specification:
- Operating voltage: DC 5 - 12V
- Static power consumption: 65 mA
- Output Signal: 3V TTL
- Detection Distance: Up to 6 meter (Adjustable)
- Sensing Range: Less than 120 degree angle 6 meters
- Delay Time: 5 - 200s (Adjustable)
- Adjustable Trigger: L: non repeatable trigger - H: repeatable trigger
- Operating Temperature: -15 to +70C
- Dimensions: 32 x 24mm screw hole distance 28mm
https://www.mouser.com/ds/2/737/pir-passive-infrared-proximity-motion-sensor-932858.pdf

code:

/*
Arduino with PIR motion sensor
For complete project details visit: Arduinoshop99

*/

int led = 13; // the pin that the LED is atteched to
int sensor = 2; // the pin that the sensor is atteched to
int state = LOW; // by default no motion detected
int val = 0; // variable to store the sensor status (value)

void setup() {
pinMode(led OUTPUT); // initalize LED as an output
pinMode(sensor INPUT); // initialize sensor as an input
Serial.begin(9600); // initialize serial
}

void loop(){
val = digitalRead(sensor); // read sensor value
if (val == HIGH) { // check if the sensor is HIGH
digitalWrite(led HIGH); // turn LED ON
delay(100); // delay 100 milliseconds

if (state == LOW) {
Serial.println(Motion detected!);
state = HIGH; // update variable state to HIGH
}
}
else {
digitalWrite(led LOW); // turn LED OFF
delay(200); // delay 200 milliseconds

if (state == HIGH){
Serial.println(Motion stopped!);
state = LOW; // update variable state to LOW
}}}