#include <Ubidots.h>

#define TRIGPIN 4
#define ECHOPIN 5
#define TOKEN "BBFF-ed40790f85bec15b72564321c8c6c3db536"
#define DEVICE_LABEL "esp32"
#define VARIABLE_LABEL "distance"

Ubidots ubidots(TOKEN);

void setup() {
  Serial.begin(115200);
  pinMode(TRIGPIN, OUTPUT);
  pinMode(ECHOPIN, INPUT);
}

void loop() {
  digitalWrite(TRIGPIN, LOW);
  delayMicroseconds(2);
  digitalWrite(TRIGPIN, HIGH);
  delayMicroseconds(10);
  digitalWrite(TRIGPIN, LOW);

  long duration = pulseIn(ECHOPIN, HIGH);
  float distance = duration * 0.034 / 2;

  ubidots.add(VARIABLE_LABEL, distance);
  bool response = ubidots.send(DEVICE_LABEL);

  if (response) {
    Serial.println("Data sent to Ubidots");
  } else {
    Serial.println("Failed to send data to Ubidots");
  }

  delay(1000);
}