#define adc_pin 36
const int led =2 ;
void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
 pinMode(led,OUTPUT);


 
}

void loop() {

float adc_val=analogRead(36);
  Serial.print("dc value:  ");
  Serial.println(adc_val  );
 float voltage =((adc_val* 5)/4095) ;

 Serial.print("voltage:");
 Serial.print(voltage);
 Serial.println(" V");

  // put your main code here, to run repeatedly:
  delay(3000); // this speeds up the simulation
}