unsigned long ms_Start_LED=0;
unsigned long ms_Prv_LED1_On=0;
unsigned long ms_Prv_LED2_On=0;

int LED1_Interval = 1000;
int LED2_Interval = 100;

int LED1_State = 0;
int LED2_State = 0;
#define LED1 4
#define LED2 5
void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  //Serial.println("Hello, ESP32!");
  pinMode(LED1, OUTPUT);
  pinMode(LED2, OUTPUT);
}

void loop() {
  ms_Start_LED = millis();
  if(ms_Start_LED-ms_Prv_LED1_On> LED1_Interval){
    ms_Prv_LED1_On = ms_Start_LED;
    if(LED1_State ==0) LED1_State =1;
      else LED1_State =0;
  }

  if(ms_Start_LED-ms_Prv_LED2_On> LED2_Interval){
    ms_Prv_LED2_On = ms_Start_LED;
    if(LED2_State ==0) LED2_State =1;
      else LED2_State =0;
  }
  digitalWrite(LED1, LED1_State);
  digitalWrite(LED2, LED2_State);
  // put your main code here, to run repeatedly:
  //delay(1000); // this speeds up the simulation
}