#include <esp_system.h>
#define red 17
#define green 18
#define blue 19
#define pir 4
void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(red, OUTPUT);
  pinMode(green, OUTPUT);
  pinMode(blue, OUTPUT);
  pinMode(pir, INPUT);
}
// A function that sets the colors of each RGB pin using the value entered in the parameters.
void setColors(int redValue, int greenValue, int blueValue){
  analogWrite(red, redValue);
  analogWrite(green, greenValue);
  analogWrite(blue, blueValue);
}
void loop() {
  delay(10); //Speeding the simulation.
  int randomRed = esp_random() % 256; //Generate a random number between 0 - 255 for red.
  int randomGreen = esp_random() % 256; //Generate a random number between 0 - 255 for green.
  int randomBlue = esp_random() % 256; //Generate a random number between 0 - 255 for blue.
  // Setting the action if motion detected.
  if(digitalRead(pir)){
    setColors(randomRed, randomGreen, randomBlue);
    Serial.println("MOTION DETECTED!");
    delay(10000);
  }
  else{
    setColors(0, 0, 0);
  }
}