#include <WiFi.h>
#include "ThingsBoard.h"
#include "DHTesp.h"
#include <ESP32Servo.h>
#include <PubSubClient.h>
#define CURRENT_FIRMWARE_TITLE "TEST"
#define CURRENT_FIRMWARE_VERSION "1.0.0"
#define SSID "Wokwi-GUEST"
#define PASS ""
#define TOKEN "EMHJUnaStO6iFfNuSslv"
#define THINGSBOARD_SERVER "thingsboard.cloud"
#define SERIAL_DEBUG_BAUD 115200
const int DHT_PIN = 15;
#define ECHO_PIN 4
#define TRIG_PIN 2
#define pinBuzzer 5
int status = WL_IDLE_STATUS;
int ledPin = 12;
int inputPin = 14;
int pirState = LOW;
int val = 0;
WiFiClient client;
ThingsBoard tb(client);
DHTesp dhtSensor;
Servo myservo;
float readDistanceCM() {
digitalWrite(TRIG_PIN, LOW);
delayMicroseconds(2);
digitalWrite(TRIG_PIN, HIGH);
delayMicroseconds(10);
digitalWrite(TRIG_PIN, LOW);
int duration = pulseIn(ECHO_PIN, HIGH);
return duration * 0.034 / 2;
}
void setup() {
pinMode(TRIG_PIN, OUTPUT);
pinMode(ECHO_PIN, INPUT);
Serial.begin(115200);
pinMode(pinBuzzer, OUTPUT);
myservo.attach(13);
WiFi.disconnect();
WiFi.begin("Wokwi-GUEST", "");
while ((!(WiFi.status() == WL_CONNECTED))) {
delay(300);
Serial.print(".");
}
Serial.println("");
Serial.println("WiFi connected");
Serial.println("IP address: ");
Serial.println(WiFi.localIP());
Serial.begin(SERIAL_DEBUG_BAUD);
WiFi.disconnect();
dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
pinMode(ledPin, OUTPUT);
pinMode(inputPin, INPUT);
}
void loop() {
if(WiFi.status() != WL_CONNECTED){
reconnect();
}
if(!tb.connected()) {
Serial.println("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...");
float distance = readDistanceCM();
Serial.print("Measured distance: ");
Serial.println(distance);
tb.sendTelemetryFloat("Jarak", distance);
if(distance <= 200){
myservo.write(90);
tb.sendTelemetryString("Servo", "Terbuka");
delay(15);
tone(pinBuzzer, 1000);
delay(200);
tone(pinBuzzer, 500);
delay(200);
tb.sendTelemetryString("Buzzer", "Berbunyi");
}
else{
myservo.write(0);
noTone(pinBuzzer);
tb.sendTelemetryString("Servo", "Tertutup");
tb.sendTelemetryString("Buzzer", "Senyap");
}
TempAndHumidity data = dhtSensor.getTempAndHumidity();
tb.sendTelemetryInt("Temperatur", data.temperature);
tb.sendTelemetryFloat("Kelembaban", data.humidity);
Serial.println("Temp: " + String(data.temperature, 2) + "°C");
Serial.println("Humidity: " + String(data.humidity, 1) + "%");
Serial.println("---");
val = digitalRead(inputPin);
if (val == HIGH) { // check if the input is HIGH
digitalWrite(12, HIGH); // turn LED ON
if (pirState == LOW) {
// we have just turned on
Serial.println("Motion detected!");
// We only want to print on the output change, not state
pirState = HIGH;
}
} else {
digitalWrite(ledPin, LOW); // turn LED OFF
if (pirState == HIGH) {
// we have just turned of
Serial.println("Motion ended!");
// We only want to print on the output change, not state
pirState = LOW;
}
}
tb.loop();
}