//ESP32 mit HC-SR04 und TFT

#include <SPI.h>
#include <Adafruit_GFX.h>
#include <Adafruit_ILI9341.h>

#define PIN_TRIG 33
#define PIN_ECHO 34


void setup(){
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(PIN_TRIG, OUTPUT);
  pinMode(PIN_ECHO, INPUT);
}  

  

void loop() {
// put your main code here, to run repeatedly:
  digitalWrite(PIN_TRIG, HIGH);
  delayMicroseconds(10);
  digitalWrite(PIN_TRIG, LOW);

  //Read the result
  int duration = pulseIn(PIN_ECHO, HIGH);
  Serial.print("Distance in CM: ");
  Serial.println(duration / 58);


  delay(1000); // this speeds up the simulation
}