#if defined(ESP8266)
#include <ESP8266WiFi.h>
#elif defined(ESP32)
#include <WiFi.h>
#endif
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include <Fonts/FreeSansBold9pt7b.h>
#include <Fonts/Picopixel.h>
Adafruit_SSD1306 display(128, 64, &Wire, -1);
#include "ThingsBoard.h"
#include "DHTesp.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 "hktaFPtspCs5GFSPHufS"
#define THINGSBOARD_SERVER "thingsboard.cloud"
#define pinRelay 12
int pinpot = A0;
int val;
// Baud rate for debug serial
#define SERIAL_DEBUG_BAUD 115200
const int DHT_PIN = 15;
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 updateDisplay() {
val = analogRead(pinpot);
val = map(val,0,4095,0,100);
display.clearDisplay();
display.setFont();
display.setTextColor(1);
TempAndHumidity data = dhtSensor.getTempAndHumidity();
display.setCursor(12, 2);
display.print("Temp Udara: ");
display.print(data.temperature);
display.print("'C");
display.setCursor(12, 12);
display.print("Hum Udara: ");
display.print(data.humidity);
display.print("%");
display.setCursor(12, 22);
display.print("Hum Tanah: ");
display.print(val);
display.print("%");
display.setCursor(12, 32);
display.print("MDPL : 850");
display.setCursor(12, 42);
display.print("Wisata Petik Apel");
display.setCursor(32, 52);
display.print("Agro rakyat");
display.display();
}
void setup() {
// initialize serial for debugging
pinMode(pinRelay, OUTPUT);
Serial.begin(SERIAL_DEBUG_BAUD);
Serial.println();
InitWiFi();
dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
display.begin(SSD1306_SWITCHCAPVCC, 0x3C);
}
void loop() {
delay(1000);
updateDisplay();
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.sendTelemetryFloat("temperature", data.temperature);
tb.sendTelemetryInt("humidity", data.humidity);
tb.sendTelemetryInt("hum_tanah", val);
Serial.print("Suhu Udara : ");
Serial.print(data.temperature);
Serial.print(" Kelembaban Udara : ");
Serial.print(data.humidity);
val = analogRead(pinpot);
val = map(val,0,4095,0,100);
Serial.print(" Kelembaban Tanah : ");
Serial.println(val);
tb.sendTelemetryFloat("lat", -7.8779302);
tb.sendTelemetryFloat("long", 112.5332595);
if(val < 75){
digitalWrite(pinRelay, HIGH);
tb.sendTelemetryInt("Pompa_Air", 1);
Serial.println("Pompa Nyala");
}
else{
digitalWrite(pinRelay, LOW);
tb.sendTelemetryInt("Pompa_Air", 0);
Serial.println("Normal");
}
tb.loop();
tb.loop();
}