#include <WiFi.h>
#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 ""
#define TOKEN "OBSPQpBneyrcXwxgE3TU"
#define THINGSBOARD_SERVER "thingsboard.cloud"
const int DHT_PIN = 15;
#define Pendingin 18
#define Pengembunan 19
#define PompaAir 14
#define Trig 13
#define Echo 12
float jarak = 0;
float ketinggian_air = 0;
float jarakair;
#define tinggitang 25
#define GrowLight 2
#define buzzer 22
const float GAMMA = 0.7;
const float RL10 = 50;
DHTesp dhtSensor;
WiFiClient espClient;
ThingsBoard tb(espClient);
int status = WL_IDLE_STATUS;
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 baca_jarak()
{
digitalWrite(Trig, LOW);
delayMicroseconds(2);
digitalWrite(Trig, HIGH);
delayMicroseconds(10);
digitalWrite(Trig, LOW);
int duration = pulseIn(Echo, HIGH);
jarak = duration * 0.034 / 2;
float y = (1E-06*jarak*jarak) + (1.0055*jarak) + 0.0012; //kalibrasi sensor
ketinggian_air = constrain((tinggitang - y), 0,tinggitang);
}
void setup() {
// initialize serial for debugging
Serial.begin(115200);
Serial.println();
InitWiFi();
dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
pinMode(Trig, OUTPUT);
pinMode(Echo, INPUT);
pinMode(Pendingin, OUTPUT);
pinMode(Pengembunan, OUTPUT);
pinMode(PompaAir, OUTPUT);
pinMode(GrowLight, OUTPUT);
pinMode(buzzer, OUTPUT);
}
void loop() {
delay(2000);
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;
}
}
//Read LDR
baca_jarak();
Serial.println("Smart Microgreen Joyoboyo Sending data...");
int analogValue = analogRead(36);
float voltage = analogValue * 5/4095.0;
float resistance = 2000 * voltage / (1 - voltage / 5);
float lux = pow(RL10 * 1e3 * pow(10, GAMMA) / resistance, (1 / GAMMA));
Serial.print((String)"Vol: " + voltage);
Serial.print((String)"| Resistansi: " + resistance);
Serial.print((String)"| Analog Value: " + analogValue);
Serial.print((String)"| Lux: " + lux);
Serial.println(lux);
tb.sendTelemetryFloat("LUX", lux);
if (lux >= 700){
Serial.print("Status: ");
Serial.println("Terang");
digitalWrite(GrowLight, LOW);
tb.sendTelemetryInt("Lampu",0);
Serial.println("===================> Growlight OFF");
} else {
Serial.print("Status: ");
Serial.println("Gelap");
digitalWrite(GrowLight, HIGH);
tb.sendTelemetryInt("Lampu",1);
Serial.println("===================> Growlight ON");
}
TempAndHumidity data = dhtSensor.getTempAndHumidity();
tb.sendTelemetryFloat("Suhu", data.temperature);
tb.sendTelemetryFloat("Kelembaban", data.humidity);
tb.sendTelemetryFloat("Tinggi Air", ketinggian_air);
Serial.print("Suhu: ");
Serial.print(data.temperature);
Serial.print(" Kelembaban: ");
Serial.print(data.humidity);
Serial.print(" Ketinggian Air: ");
Serial.print(ketinggian_air);
Serial.println(" CM");
if(data.temperature > 27)
{
tb.sendTelemetryInt("Pendingin", 1);
digitalWrite(Pendingin, HIGH);
Serial.println("===================> Proses Pendinginan Media Tanam");
}
else if(data.temperature > 19 && data.temperature < 27 ){
tb.sendTelemetryInt("Pendingin", 0);
digitalWrite(Pendingin, LOW);
}
else if(data.temperature < 19){
digitalWrite(GrowLight, HIGH);
tb.sendTelemetryInt("Lampu",1);
Serial.println("===================> Proses Penghangatan Media Tanam");
}
if(data.humidity < 40){
tb.sendTelemetryInt("Pengembunan", 1);
digitalWrite(Pengembunan, HIGH);
Serial.println("===================> Proses Pengembunan Media Tanam");}
else if(data.humidity > 40 && data.humidity < 60){
tb.sendTelemetryInt("Pengembunan", 0);
digitalWrite(Pengembunan, LOW);}
if (ketinggian_air <= 10 && ketinggian_air > 5){
digitalWrite(PompaAir, HIGH);
tb.sendTelemetryInt("Pompa", 1);
tb.sendTelemetryInt("Alarm", 0);
Serial.println("===================> Proses Pengairan Media Tanam");
}
else if(ketinggian_air > 10 && ketinggian_air <= 15){
digitalWrite(PompaAir,LOW);
tb.sendTelemetryInt("Pompa", 0);
}
else if(ketinggian_air < 5){
tone(buzzer, 1000);
delay(100);
noTone(buzzer);
delay(100);
tb.sendTelemetryInt("Alarm", 1);
Serial.println("===================> Pompa Air tidak bekerja!");
}
tb.loop();
}