#define Pin D5
#define Pin D1
#define LED D2
float Vin;

void setup() {
  xTaskCreatePinnedToCore(TaskA,"TASKA",128,NULL,3,NULL,1);
  xTaskCreatePinnedToCore(TaskB,"TASKB",64,NULL,2,NULL,1);
  xTaskCreatePinnedToCore(TaskC,"TASKC",64,NULL,1,NULL,1);
}

void loop() {
  // Execution should never get here
}

void TaskA(void*parameter){
  for(;;){
    Vin = analogRead(2) *3.3/4095.0;
    delay(10);
  }
}

void TaskB(void*parameter){
  Serial.begin(112500);
  for(;;){
    Serial.println(Vin);
    delay(40);
  }
}

void TaskC(void*parameter){
  pinMode(2,OUTPUT);
  for(;;){
    if(Vin>=3)
      digitalWrite(2,LOW);
    else
      digitalWrite(2,HIGH);
    delay(20);
  }
}