#if defined(ESP8266)
#include <ESP8266WiFi.h>
#elif defined(ESP32)
#include <WiFi.h>
#endif
#include "ThingsBoard.h"
#define CURRENT_FIRMWARE_TITLE "TEST"
#define CURRENT_FIRMWARE_VERSION "1.0.0"
#define WIFI_SSID "Wokwi-GUEST"
#define WIFI_PASSWORD ""
// See https://thingsboard.io/docs/getting-started-guides/helloworld/
// to understand how to obtain an access token
#define TOKEN "he59xbYPqrQMDi6Dqf0f"
#define THINGSBOARD_SERVER "thingsboard.cloud"
// Baud rate for debug serial
#define SERIAL_DEBUG_BAUD 115200
const int trigPin = 23;
const int echoPin = 22;
const int DHT_PIN = 15;
const int LEDPin = 2;
int led = 0;
long duration;
int distance;
// Initialize ThingsBoard client
WiFiClient espClient;
// Initialize ThingsBoard instance
ThingsBoard tb(espClient);
// the Wifi radio's status
int status = WL_IDLE_STATUS;
void InitWiFi()
{
Serial.println("Connecting to AP ...");
// attempt to connect to WiFi network
WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
}
Serial.println("Connected to AP");
}
void reconnect() {
// Loop until we're reconnected
status = WiFi.status();
if ( status != WL_CONNECTED) {
WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
}
Serial.println("Connected to AP");
}
}
void setup() {
// initialize serial for debugging
Serial.begin(SERIAL_DEBUG_BAUD);
Serial.println();
InitWiFi();
pinMode(trigPin, OUTPUT);
pinMode(echoPin, INPUT);
pinMode(LEDPin, OUTPUT);
delay(10);
}
void loop() {
digitalWrite(trigPin, LOW);
delayMicroseconds(2);
digitalWrite(trigPin, HIGH);
delayMicroseconds(10);
digitalWrite(trigPin, LOW);
duration = pulseIn(echoPin, HIGH);
distance = duration * 0.034 / 2;
Serial.print("Distance: ");
Serial.println(distance);
delay(200);
if (WiFi.status() != WL_CONNECTED) {
reconnect();
}
if (!tb.connected()) {
// Connect to the ThingsBoard
Serial.print("Connecting to: ");
Serial.print(THINGSBOARD_SERVER);
Serial.print(" with token ");
Serial.println(TOKEN);
if (!tb.connect(THINGSBOARD_SERVER, TOKEN)) {
Serial.println("Failed to connect");
return;
}
}
Serial.println("Sending data...");
// Uploads new telemetry to ThingsBoard using MQTT.
// See https://thingsboard.io/docs/reference/mqtt-api/#telemetry-upload-api
// for more details
tb.sendTelemetryFloat("jarak", distance);
tb.sendTelemetryInt("led", led);
Serial.print("jarak : ");
Serial.print(distance);
Serial.println(" cm");
if(distance < 2){
digitalWrite(LEDPin, HIGH);
led = 1;
}
else{
digitalWrite(LEDPin, LOW);
led = 0;
}
tb.loop();
tb.loop();
}