Crowtail- Mini PIR Motion Sensor

Description¶

The Crowtail- Mini PIR Motion Sensor is a compact, low power consumption and cost effective PIR sensor. It interfaces directly with up to two conventional PIR sensors via a high impedance different input. The PIR Signal is converted to a 15 bit digital value on chip. Is's used for making motion detecting applications such as alarm burglar systems, visitor presence monitoring, light switches and robots.

Model: CRT00255P

Features¶

Low power consumption

Digital signal processing（DSP）

Built-in filter, high immunity to RFI

Best detect distance:>2m

Crowtail interface

Specification¶

Dimensions(mm):20.0(L)x20.0(W)x18.0(H)

Sensor chip:S16-L221D

Sensitivity:120 – 530 μV

Max detecting range:2m(25℃)

Application¶

PIR motion detection, Intruder detection, Occupancy detection, Motion sensor lights, Computer monitor, Security system, Automatic control,etc.

Usage¶

This example show you how to make a simple alarm device.

The Crowtail- Mini PIR Motion Sensor is connecting to D2 port of Crowtail - Base Shield and connect the Corwtail LED to the D5 port.

Cope the code and upload it to your arduino board.

void setup() {
  // put your setup code here, to run once:
  pinMode(2 , INPUT);
    pinMode(5 , OUTPUT);
  Serial.begin(9600);

}

void loop() {
  // put your main code here, to run repeatedly:
int A = digitalRead ( 2);
Serial.println(A);
if(A==HIGH){
digitalWrite(5, HIGH);
}
else
digitalWrite(5,LOW);
delay(500);
}

Then it Alarm "lights" will be on if it detects the body is moving.