#if defined(ESP8266)
#include <ESP8266WiFi.h>
#elif defined(ESP32)
#include "DHTesp.h"
#include <WiFi.h>
#include "RTClib.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 ""
#define TOKEN "wWxsaLOyxmsKMbiGPw1v"
#define THINGSBOARD_SERVER "thingsboard.cloud"
RTC_DS3231 rtc;
#define SERIAL_DEBUG_BAUD 115200
const int relay1 = 5;
const int relay2 = 2;
const int relay3 = 4;
const int DHT_PIN = 15;
DHTesp dhtSensor;
WiFiClient espClient;
ThingsBoard tb(espClient);
int status = WL_IDLE_STATUS;
int pos =0;
void InitWiFi()
{
Serial.println("Connecting to AP ...");
WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
}
Serial.println("Connected to AP");
}
void reconnect() {
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() {
dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
pinMode(relay1, OUTPUT);
pinMode(relay2, OUTPUT);
pinMode(relay3, OUTPUT);
if (! rtc.begin()) {
Serial.println("Couldn't find RTC. Dead now.");
Serial.flush();
while (1) delay(10);
}
Serial.begin(SERIAL_DEBUG_BAUD);
Serial.println();
InitWiFi();
pinMode(LED_BUILTIN, OUTPUT);
}
void loop() {
TempAndHumidity data = dhtSensor.getTempAndHumidity();
Serial.println("Temp: " + String(data.temperature, 2) + "°C");
Serial.println("Humidity: " + String(data.humidity, 1) + "%");
Serial.println("---");
delay(1000);
DateTime now = rtc.now();
if (WiFi.status() != WL_CONNECTED) {
reconnect();
}
if (!tb.connected()) {
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.print(now.hour());
Serial.print(":");
Serial.print(now.minute());
Serial.print(":");
Serial.println(now.second());
tb.sendTelemetryFloat("Jam",now.hour());
tb.sendTelemetryFloat("Menit",now.minute());
tb.sendTelemetryFloat("Detik",now.second());
tb.sendTelemetryInt("temperature", data.temperature);
if((now.hour() == 8) && (now.minute() == 00) && (now.second() == 00))
{ if(data.temperature <29){
digitalWrite(relay1, HIGH);
digitalWrite(relay2, LOW);
digitalWrite(relay3, LOW);
status = 1;
tb.sendTelemetryInt("Status",status);
}
else if(data.temperature >35){
digitalWrite(relay1, LOW);
digitalWrite(relay2, HIGH);
digitalWrite(relay3, LOW);
status = 2;
tb.sendTelemetryInt("Status",status);
}
}
else if((now.hour() == 17) && (now.minute() == 00) && (now.second() == 00))
{ if(data.temperature <29){
digitalWrite(relay1, HIGH);
digitalWrite(relay2, LOW);
digitalWrite(relay3, LOW);
status = 1;
tb.sendTelemetryInt("Status",status);
}
else if(data.temperature >35){
digitalWrite(relay1, LOW);
digitalWrite(relay2, HIGH);
digitalWrite(relay3, LOW);
status = 2;
tb.sendTelemetryInt("Status",status);
}
}
delay(100);
tb.loop();
}