The Solar Lamp Works as Needed

//Zeljko Cvijanovic
// HC-SR501 Motion Detector
// Relay

int relPin = 4;  // Relay
int pirPin = 7; // Input for HC-S501

int pirValue; 


void setup() {
  
  pinMode(relPin, OUTPUT);
  pinMode(pirPin, INPUT);
 
  digitalWrite(relPin, LOW);
  
}

void loop() {
  pirValue = digitalRead(pirPin);
  digitalWrite(relPin, pirValue);


}