/**
ESP32 + DHT22 Example for Wokwi
https://wokwi.com/arduino/projects/322410731508073042
*/
#include "DHTesp.h"
#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"
#include <LiquidCrystal_I2C.h>
int lcdColumns = 16;
int lcdRows = 2;
LiquidCrystal_I2C lcd(0x27, lcdColumns, lcdRows);
#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 "9tQCreYanJD9BddXXdh8"
#define THINGSBOARD_SERVER "thingsboard.cloud"
// Baud rate for debug serial
#define SERIAL_DEBUG_BAUD 115200
const int DHT_PIN = 15;
#define pompaMerah 12
#define pompaKuning 14
String status_pompa1, status_pompa2;
DHTesp dhtSensor;
// 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() {
Serial.begin(115200);
InitWiFi();
lcd.init();
lcd.backlight();
dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
pinMode(pompaMerah, OUTPUT);
pinMode(pompaKuning, OUTPUT);
digitalWrite(pompaMerah, LOW);
digitalWrite(pompaKuning, LOW);
}
void loop() {
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
TempAndHumidity data = dhtSensor.getTempAndHumidity();
tb.sendTelemetryInt("temperature", data.temperature);
Serial.print("Suhu : ");
Serial.print(data.temperature);
if(data.temperature>=30)
{
Serial.print("Mengirim data status pompa_1 on");
tb.sendTelemetryInt("pompa_1", 1);
tb.sendTelemetryInt("pompa_2", 0);
digitalWrite(pompaMerah, HIGH);
digitalWrite(pompaKuning, LOW);
status_pompa1 = "on";
status_pompa2 = "off";
}
else if(data.temperature<=25)
{
Serial.print("Mengirim data status pompa_2 on");
tb.sendTelemetryInt("pompa_1", 0);
tb.sendTelemetryInt("pompa_2", 1);
digitalWrite(pompaKuning, HIGH);
digitalWrite(pompaMerah, LOW);
status_pompa1 = "off";
status_pompa2 = "on";
}
else{
Serial.print("Mengirim data status pompa_1 dan pompa_2 off");
tb.sendTelemetryInt("pompa_1", 0);
tb.sendTelemetryInt("pompa_2", 0);
digitalWrite(pompaMerah, LOW);
digitalWrite(pompaKuning, LOW);
status_pompa1 = "off";
status_pompa2 = "off";
}
lcd.setCursor(0, 0);
lcd.print("Suhu: ");
lcd.setCursor(5, 0);
lcd.print(data.temperature);
lcd.setCursor(0, 1);
lcd.print("P1: ");
lcd.setCursor(3, 1);
lcd.print(status_pompa1);
lcd.setCursor(8, 1);
lcd.print("P2: ");
lcd.setCursor(11, 1);
lcd.print(status_pompa2);
delay(1000);
lcd.clear();
tb.loop();
}