#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#define RELAY_PIN 10
#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 
#define OLED_RESET    -1
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
int onTime = 5000;
int offTime = 300000;

void setup() {
  if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) { // Address 0x3D for 128x64
    Serial.println(F("SSD1306 allocation failed"));
    for(;;);
  }
  delay(2000);
  
  // initialize digital pin LED_BUILTIN as an output.
  pinMode(RELAY_PIN, OUTPUT);
}

// the loop function runs over and over again forever
void loop() {
  display.clearDisplay();
  display.setTextSize(1);
   display.setTextColor(WHITE);
  display.setCursor(0, 0);
  display.setTextSize(1); 
 
  display.print("TEMP ");
  display.print(" HUMI ");
  display.print(" VPD ");
  display.println("  DLI");
  display.print("23.0 ");
  display.print(" 65.2 ");
  display.print(" 1.2 ");
  display.println(" 30.3");
  display.setCursor(0, 20);
  display.println("TARGET PH");
  display.println("ACTUAL PH =  1.3");
  display.setCursor(27, 55);
  display.println(" TEMP = 23.0");

  display.display();                 // wait for a second
  
  digitalWrite(RELAY_PIN, HIGH);  // turn the LED on (HIGH is the voltage level)
  delay(onTime);                      // wait for a second
  digitalWrite(RELAY_PIN, LOW);   // turn the LED off by making the voltage LOW
  delay(offTime); 
  
  
}