// For: https://forum.arduino.cc/t/simple-motion-sensor-output-issue/993654

int PowerPin = 2;
int sensor = 3;
int state = LOW;
int val = 0;

void setup() 
{
  //get power to the sensor through node 2
  pinMode(PowerPin, OUTPUT);
  digitalWrite(PowerPin, HIGH);
 
  //pinMode(sdcard, OUTPUT);
  pinMode(sensor, INPUT);
  Serial.begin(9600);
}

void loop() 
{
  val = digitalRead(sensor);
  
  if (val == HIGH) 
  {
    if (state == LOW) 
    {
      Serial.println("MOTION DETECTED!");
      state = HIGH;
    }
  }
  else 
  {
    if (state == HIGH) 
    {
      Serial.println("no more motion");
      state = LOW;
    }
  }
}