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https://www.elecrow.com/arduino-automatic-smart-plant-watering-kit.html (69$)
...
Code Block
language	cpp
title	Modified Watering kit firmware
collapse	true
#include <Wire.h>
#include "U8glib.h"
U8GLIB_SSD1306_128X64 u8g(U8G_I2C_OPT_NONE);    // I2C
#include "Wire.h"
#include "RTClib.h"
RTC_DS1307 RTC;

// set all moisture sensors PIN ID
int moisture1 = A0;
int moisture2 = A1;
int moisture3 = A2;
int moisture4 = A3;

// declare moisture values
int moisture1_value = 0 ;
int moisture2_value = 0;
int moisture3_value = 0;
int moisture4_value = 0;

// set water relays
int relay1 = 6;
int relay2 = 8;
int relay3 = 9;
int relay4 = 10;

// set water pump
int pump = 4;

// set button
int button = 12;

//pump state    1:open   0:close
int pump_state_flag = 0;

//relay1 state    1:open   0:close
int relay1_state_flag = 0;

//relay2 state   1:open   0:close
int relay2_state_flag = 0;

//relay3 state  1:open   0:close
int relay3_state_flag = 0;

//relay4 state   1:open   0:close
int relay4_state_flag = 0;

static unsigned long currentMillis_send = 0;
static unsigned long  Lasttime_send = 0;

char daysOfTheWeek[7][12] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat",};
unsigned long nowtime;
unsigned long endtime;
unsigned long nowtimeNext;
unsigned long nowtime1;
unsigned long endtime1;
unsigned long nowtimeNext1;
unsigned long nowtime2;
unsigned long endtime2;
unsigned long nowtimeNext2;
unsigned long nowtime3;
unsigned long endtime3;
unsigned long nowtimeNext3;


// good flower
unsigned char bitmap_good[] U8G_PROGMEM = {

  0x00, 0x42, 0x4C, 0x00, 0x00, 0xE6, 0x6E, 0x00, 0x00, 0xAE, 0x7B, 0x00, 0x00, 0x3A, 0x51, 0x00,
  0x00, 0x12, 0x40, 0x00, 0x00, 0x02, 0x40, 0x00, 0x00, 0x06, 0x40, 0x00, 0x00, 0x06, 0x40, 0x00,
  0x00, 0x04, 0x60, 0x00, 0x00, 0x0C, 0x20, 0x00, 0x00, 0x08, 0x30, 0x00, 0x00, 0x18, 0x18, 0x00,
  0x00, 0xE0, 0x0F, 0x00, 0x00, 0x80, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00,
  0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x02, 0xC1, 0x00, 0x00, 0x0E, 0x61, 0x00,
  0x00, 0x1C, 0x79, 0x00, 0x00, 0x34, 0x29, 0x00, 0x00, 0x28, 0x35, 0x00, 0x00, 0x48, 0x17, 0x00,
  0x00, 0xD8, 0x1B, 0x00, 0x00, 0x90, 0x1B, 0x00, 0x00, 0xB0, 0x09, 0x00, 0x00, 0xA0, 0x05, 0x00,
  0x00, 0xE0, 0x07, 0x00, 0x00, 0xC0, 0x03, 0x00
};

// bad flower
unsigned char bitmap_bad[] U8G_PROGMEM = {
  0x00, 0x80, 0x00, 0x00, 0x00, 0xC0, 0x00, 0x00, 0x00, 0xE0, 0x0D, 0x00, 0x00, 0xA0, 0x0F, 0x00,
  0x00, 0x20, 0x69, 0x00, 0x00, 0x10, 0x78, 0x02, 0x00, 0x10, 0xC0, 0x03, 0x00, 0x10, 0xC0, 0x03,
  0x00, 0x10, 0x00, 0x01, 0x00, 0x10, 0x80, 0x00, 0x00, 0x10, 0xC0, 0x00, 0x00, 0x30, 0x60, 0x00,
  0x00, 0x60, 0x30, 0x00, 0x00, 0xC0, 0x1F, 0x00, 0x00, 0x60, 0x07, 0x00, 0x00, 0x60, 0x00, 0x00,
  0x00, 0x60, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00,
  0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0xC7, 0x1C, 0x00,
  0x80, 0x68, 0x66, 0x00, 0xC0, 0x33, 0x7B, 0x00, 0x40, 0xB6, 0x4D, 0x00, 0x00, 0xE8, 0x06, 0x00,
  0x00, 0xF0, 0x03, 0x00, 0x00, 0xE0, 0x00, 0x00
};

 // Elecrow Logo
unsigned char bitmap_logo[] U8G_PROGMEM ={
   0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
   0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00,
 0x00, 0x00, 0x00,0x0F 0x06, 0x00,
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00,0x00 0x38, 0x00, 0x00, 0x00, 0x00, 0x00,
   0x00,0xE0 0x06,0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,0x00 0x38, 0x00, 0x00,
   0x00, 0x00, 0x00,
 0x00, 0x040x06,0xF8 0x00,0xFF 0x00,0x03, 0x00, 0x00, 0x00, 0x00, 0x00,0x00
   0x38, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 0x07, 0x080x00,0xFE 0x00,0xFF 0x00,0x07, 0x00,
   0x00, 0x00, 0x00,0x00 0x38, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,0x00 0x07, 0x00,
  0x10,0x1F,0xE0,0x0F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,0x00 0x38, 0x00, 0x00, 0x00, 0x00, 0x00,
  0xB0 0x00, 0x07,0x80,0x1F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,0x00 0x18, 0x00, 0x00,0x00,0x00,
  0xE0,0x03, 0x00,0x3F, 0x00, 0x00, 0x00,0x00 0x07, 0x00, 0x00,0x00 0x06, 0x00, 0x00, 0x00,0x00, 0x00,
   0xC00x18, 0x00, 0x00, 0x03,0x3E 0x0e, 0x00,0x00 0xf8,0x00 0xff,0x00 0xc3, 0x00,0x00 0x07,0x00, 0x0c,
   0x00, 0x00, 0x00,0x00 0x18, 0x00,
  0x80,0x01 0x03,0x00 0x0e,0x7E 0x30,0x00 0xfc,0x00 0xff,0x00, 0xc1,
   0x00,0x00 0x07,0x00 0x0e, 0x00, 0x00, 0x00,0x00 0x1c, 0x00,0x00 0x80,
 0x03, 0x600x0e,0x23,0x00,0x7C,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  0x70,0xC7,0x00,0x7E,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  0x70,0x9E,0x0F,0x7F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  0x70,0x3C,0xFE,0x7F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  0x70,0x78,0xF8,0x7F,0xF0,0x9F,0x07,0xFE,0x83,0x0F,0xFF,0x00,0x77,0x3C,0x18,0x1C,
  0x70,0xF0,0xE1,0x3F,0xF1,0x9F,0x07,0xFE,0xE1,0x1F,0xFF,0xC3,0xF7,0x3C,0x38,0x0C,
  0x70,0xE0,0x87,0x8F,0xF1,0xC0,0x07,0x1E,0x70,0x3C,0xCF,0xE3,0xE1,0x7D,0x3C,0x0E,
  0x70,0xD0,0x1F,0xC0,0xF1,0xC0,0x03,0x1F,0x78,0x3C,0xCF,0xE3,0xE1,0x7D,0x3C,0x06,
  0xF0,0xB0,0xFF,0xF1,0xF0,0xC0,0x03,0x0F,0x78,0x3C,0xCF,0xF3,0xE0,0x7B,0x3E,0x06,
  0xF0,0x60,0xFF,0xFF,0xF0,0xC6,0x03,0xEF,0x3C,0x80,0xEF,0xF1,0xE0,0x7B,0x3E,0x03,
  0xF0,0xE1,0xFC,0xFF,0xF8,0xCF,0x03,0xFF,0x3C,0x80,0xFF,0xF0,0xE0,0x7B,0x7B,0x01,
  0xE0,0xC3,0xF9,0x7F,0x78,0xC0,0x03,0x0F,0x3C,0x80,0xF7,0xF1,0xE0,0xF9,0xF9,0x01,
  0xE0,0x83,0xE3,0x7F,0x78,0xE0,0x03,0x0F,0x3C,0xBC,0xE7,0xF1,0xE0,0xF9,0xF9,0x00,
  0xC0,0x0F,0x8F,0x3F,0x78,0xE0,0x81,0x0F,0x3C,0x9E,0xE7,0xF1,0xE0,0xF1,0xF8,0x00,
  0x80,0x3F,0x1E,0x00,0x78,0xE0,0x81,0x07,0x38,0x9E,0xE7,0xF1,0xF0,0xF0,0x78,0x00,
  0x80,0xFF,0xFF,0x00,0xF8,0xEF,0xBF,0xFF,0xF8,0xCF,0xE7,0xE1,0x7F,0x70,0x70,0x00,
  0x00,0xFF,0xFF,0x0F,0xF8,0xEF,0xBF,0xFF,0xE0,0xC3,0xE3,0x81,0x1F,0x70,0x30,0x00,
  0x00,0xFC,0xFF,0x07,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  0x00,0xF8,0xFF,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  0x00,0xE0,0x7F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x30,
   0x80, 0x03, 0xe0, 0x00, 0x07, 0x0e, 0x00, 0x00, 0x00, 0x1c, 0x00, 0x80,
   0x03, 0x06, 0x38, 0x80, 0x01, 0xe0, 0x00, 0x07, 0x0e, 0x00, 0x00, 0x00,
   0x1c, 0x00, 0x80, 0x01, 0x07, 0x38, 0xc0, 0x01, 0x60, 0x00, 0x07, 0x06,
   0x00, 0x00, 0x00, 0x1c, 0x00, 0x80, 0x01, 0x07, 0x3c, 0xc0, 0x01, 0x70,
   0x00, 0x07, 0x06, 0x00, 0x00, 0x03, 0x1c, 0x00, 0x80, 0x01, 0x03, 0x1c,
   0xc0, 0x00, 0x30, 0x00, 0x07, 0x06, 0x08, 0x80, 0x02, 0x0c, 0x00, 0xc0,
   0x01, 0x03, 0x1e, 0xc0, 0x00, 0x30, 0x80, 0x07, 0x07, 0x00, 0x40, 0x00,
   0x0c, 0x00, 0xc0, 0x81, 0x03, 0x1e, 0xe0, 0x00, 0x30, 0x80, 0x03, 0x07,
   0x00, 0x40, 0x00, 0x0c, 0x00, 0xc0, 0x81, 0x03, 0x1f, 0xe0, 0x00, 0x30,
   0xe0, 0x03, 0x07, 0x04, 0x40, 0x70, 0x0e, 0x00, 0xc0, 0x80, 0x83, 0x1b,
   0xe0, 0x00, 0x30, 0xf0, 0x03, 0x03, 0x24, 0x43, 0x88, 0x0e, 0x00, 0xc0,
   0x80, 0xc3, 0x19, 0xe0, 0x40, 0x30, 0x3c, 0x03, 0x03, 0xa4, 0xc4, 0x84,
   0x0e, 0xe0, 0xc7, 0x80, 0xe3, 0x18, 0xe0, 0x60, 0xf0, 0x1f, 0x03, 0x03,
   0xa4, 0x44, 0x84, 0xfe, 0xff, 0xc7, 0x00, 0x7f, 0x38, 0xe0, 0x78, 0xf0,
   0x87, 0x03, 0x03, 0x64, 0x44, 0x44, 0xff, 0xff, 0xc3, 0x00, 0x3f, 0x78,
   0xe0, 0x3f, 0xe0, 0x81, 0x03, 0x43, 0x24, 0x68, 0x38, 0x7f, 0x00, 0xc0,
   0x00, 0x0e, 0x70, 0xc0, 0x0f, 0x00, 0x80, 0x01, 0x03, 0x00, 0x00, 0x00,
   0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x01, 0x02,
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
   0xc0, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
   0x00, 0x00, 0x00, 0xc0, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00,
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0xe0, 0x00, 0x00,
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c,
   0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
   0x00, 0x00, 0x1c, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
   0x00, 0x00, 0x00, 0x00, 0x00, 0x78, 0x3f, 0x00, 0x00, 0x00, 0x00, 0x00,
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe0, 0x1f, 0x00, 0x00,
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80,
   0x07, 0x00, 0x00, 0x00, 0x00, 0x00
};

unsigned char bitmap_T[] U8G_PROGMEM = {
  0xF7, 0x01, 0x1D, 0x03, 0x0B, 0x02, 0x0C, 0x02, 0x0C, 0x00, 0x0C, 0x00, 0x0C, 0x00, 0x08, 0x02,
  0x18, 0x03, 0xF0, 0x01
};

unsigned char bitmap_H[] U8G_PROGMEM = {
  0x00, 0x00, 0x80, 0x01, 0xC0, 0x03, 0xE0, 0x07, 0xF0, 0x0F, 0xF8, 0x1F, 0xF8, 0x1F, 0xFC, 0x3F,
  0xFC, 0x3F, 0xFE, 0x7F, 0xEE, 0x7F, 0xB3, 0xF7, 0xBB, 0xFB, 0xBB, 0xFD, 0xBB, 0xFD, 0xC7, 0xFE,
  0x7F, 0xC3, 0x3F, 0xDD, 0xBF, 0xFD, 0xDF, 0xDD, 0xEE, 0x5B, 0xFE, 0x7F, 0xFC, 0x3F, 0xF8, 0x1F,
  0xE0, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};


void setup()
{

  Wire.begin();
  RTC.begin();
  Serial.begin(9600);
  // declare relay as output
  pinMode(relay1, OUTPUT);
  pinMode(relay2, OUTPUT);
  pinMode(relay3, OUTPUT);
  pinMode(relay4, OUTPUT);
  // declare pump as output
  pinMode(pump, OUTPUT);
  // declare switch as input
  pinMode(button, INPUT);
  //pinMode(ROTARY_ANGLE_SENSOR, INPUT);
  // water_flower();
    u8g.firstPage();
    do
    {
      draw_elecrowad();
    } while ( u8g.nextPage() );
    delay(1000);
}

void loop()
{

  // read the value from the moisture sensors:
  read_value();
  water_flower();
  int button_state = digitalRead(button);
  if (button_state == 1)
  {
    //read_value();
    u8g.firstPage();
    do
    {
      drawTH();
      drawflower();
    } while ( u8g.nextPage() );
    delay(500);
  }
  else
  {
    u8g.firstPage();
    do
    {
      drawtime();
      u8g.drawStr(818, 55 , "wwwliutyi.elecrow.cominfo");
    } while (u8g.nextPage());
    delay(500);
  }
}

//Set moisture value
void read_value()
{
  float value1 = analogRead(A0);
  moisture1_value = (value1 * 120) / 1023; delay(20);
  float value2 = analogRead(A1);
  moisture2_value = (value2 * 120) / 1023; delay(20);
  float value3 = analogRead(A2);
  moisture3_value = (value3 * 120) / 1023; delay(20);
  float value4 = analogRead(A3);
  moisture4_value = (value4 * 120) / 1023; delay(20);
}

void water_flower()
{
  if (moisture1_value < 30)
  {
    digitalWrite(relay1, HIGH);
    relay1_state_flag = 1;
    delay(50);
    if (pump_state_flag == 0)
    {
      digitalWrite(pump, HIGH);
      pump_state_flag = 1;
      delay(50);
    }
  }
  else if (moisture1_value > 55)
  {
    digitalWrite(relay1, LOW);
    relay1_state_flag = 0;
    delay(50);
    if ((relay1_state_flag == 0) && (relay2_state_flag == 0) && (relay3_state_flag == 0) && (relay4_state_flag == 0))
    {
      digitalWrite(pump, LOW);
      pump_state_flag = 0;
      delay(50);
    }
  }

  if (moisture2_value < 30)
  {
    digitalWrite(relay2, HIGH);
    relay2_state_flag = 1;
    delay(50);
    if (pump_state_flag == 0)
    {
      digitalWrite(pump, HIGH);
      pump_state_flag = 1;
      delay(50);
    }
  }
  else if (moisture2_value > 55)
  {
    digitalWrite(relay2, LOW);
    relay2_state_flag = 0;
    delay(50);
    if ((relay1_state_flag == 0) && (relay2_state_flag == 0) && (relay3_state_flag == 0) && (relay4_state_flag == 0))
    {
      digitalWrite(pump, LOW);
      pump_state_flag = 0;
      delay(50);
    }
  }

  if (moisture3_value < 30)
  {
    digitalWrite(relay3, HIGH);
    relay3_state_flag = 1;
    delay(50);
    if (pump_state_flag == 0)
    {
      digitalWrite(pump, HIGH);
      pump_state_flag = 1;
      delay(50);
    }
  }
  else if (moisture3_value > 55)
  {
    digitalWrite(relay3, LOW);
    relay3_state_flag = 0;
    delay(50);
    if ((relay1_state_flag == 0) && (relay2_state_flag == 0) && (relay3_state_flag == 0) && (relay4_state_flag == 0))
    {
      digitalWrite(pump, LOW);
      pump_state_flag = 0;
      delay(50);
    }
  }

  if (moisture4_value < 30)
  {
    digitalWrite(relay4, HIGH);
    relay4_state_flag = 1;
    delay(50);
    if (pump_state_flag == 0)
    {
      digitalWrite(pump, HIGH);
      pump_state_flag = 1;
      delay(50);
    }
  }
  else if (moisture4_value > 55)
  {
    digitalWrite(relay4, LOW);
    relay4_state_flag = 0;
    delay(50);
    if ((relay1_state_flag == 0) && (relay2_state_flag == 0) && (relay3_state_flag == 0) && (relay4_state_flag == 0))
    {
      digitalWrite(pump, LOW);
      pump_state_flag = 0;
      delay(50);
    }
  }

}


void draw_elecrowad(void){
  u8g.setFont(u8g_font_gdr9r);
  u8g.drawStr(85,55 , "www.elecrow.comhttps://liutyi.info");
  u8g.drawXBMP(0, 50,128120,3234, bitmap_logo);
}


void drawtime(void)
{
  int x = 5;
  float i = 25.00;
  float j = 54;
  DateTime now = RTC.now();
  Serial.print(now.year(), DEC);
  if (! RTC.isrunning())
  {
    u8g.setFont(u8g_font_6x10);
    u8g.setPrintPos(5, 20);
    u8g.print("RTC is NOT running!");
    RTC.adjust(DateTime(__DATE__, __TIME__));
  }
  else
  {
    u8g.setFont(u8g_font_7x13);
    u8g.setPrintPos(x, 11);
    u8g.print(now.year(), DEC);
    u8g.setPrintPos(x + 80, 11);
    u8g.print(daysOfTheWeek[now.dayOfTheWeek()]);
    u8g.setPrintPos(x + 28, 11);
    u8g.print("/");
    u8g.setPrintPos(x + 33, 11);
    u8g.print(now.month(), DEC);
    if (now.month() < 10)
      x -= 7;
    u8g.setPrintPos(x + 47, 11);
    u8g.print("/");
    u8g.setPrintPos(x + 53, 11);
    u8g.print(now.day(), DEC);
    u8g.setFont(u8g_font_8x13);
    int x = 35;
    u8g.setPrintPos(x, 33);
    u8g.print(now.hour(), DEC);
    if (now.hour() < 10)
      x -= 7;
    u8g.setPrintPos(x + 15, 33);
    u8g.print(":");
    u8g.setPrintPos(x + 21, 33);
    u8g.print(now.minute(), DEC);
    if (now.minute() < 10)
      x -= 7;
    u8g.setPrintPos(x + 36, 33);
    u8g.print(":");
    u8g.setPrintPos(x + 42, 33);
    u8g.print(now.second(), DEC);
  }
}

void drawLogo(uint8_t d)
{
  u8g.setFont(u8g_font_gdr25r);
  u8g.drawStr(8 + d, 30 + d, "El");
  u8g.setFont(u8g_font_gdr25r);
  u8g.drawStr(30 + d, 30 + d, "li");
  u8g.setFont(u8g_font_gdr25r);
  u8g.drawStr(40 + d, 30 + d, "eu");
  u8g.setFont(u8g_font_gdr25r);
  u8g.drawStr(55 + d, 30 + d, "ct");
  u8g.setFont(u8g_font_gdr25r);
  u8g.drawStr(70 + d, 30 + d, "ry");
  u8g.setFont(u8g_font_gdr25r);
  u8g.drawStr(85 + d, 30 + d, "oi");
  u8g.setFont(u8g_font_gdr25r);
  u8g.drawStr(100 + d, 30 + d, "w.");
}


//Style the flowers     bitmap_bad: bad flowers     bitmap_good:good  flowers
void drawflower(void)
{
  if (moisture1_value < 30)
  {
    u8g.drawXBMP(0, 0, 32, 30, bitmap_bad);
  }
  else
  {
    u8g.drawXBMP(0, 0, 32, 30, bitmap_good);
  }
  if (moisture2_value < 30)
  {
    u8g.drawXBMP(32, 0, 32, 30, bitmap_bad);
  }
  else
  {
    u8g.drawXBMP(32, 0, 32, 30, bitmap_good);
  }
  if (moisture3_value < 30)
  {
    u8g.drawXBMP(64, 0, 32, 30, bitmap_bad);
  }
  else
  {
    u8g.drawXBMP(64, 0, 32, 30, bitmap_good);
  }
  if (moisture4_value < 30)
  {
    u8g.drawXBMP(96, 0, 32, 30, bitmap_bad);
  }
  else
  {
    u8g.drawXBMP(96, 0, 32, 30, bitmap_good);
  }

}


void drawTH(void)
{
  int A = 0;
  int B = 0;
  int C = 64;
  int D = 96;
  char moisture1_value_temp[5] = {0};
  char moisture2_value_temp[5] = {0};
  char moisture3_value_temp[5] = {0};
  char moisture4_value_temp[5] = {0};
  read_value();
  itoa(moisture1_value, moisture1_value_temp, 10);
  itoa(moisture2_value, moisture2_value_temp, 10);
  itoa(moisture3_value, moisture3_value_temp, 10);
  itoa(moisture4_value, moisture4_value_temp, 10);
  u8g.setFont(u8g_font_8x13);
  u8g.setPrintPos(9, 60);
  u8g.print("A0LEMON (1-3)");
  if (moisture1_value < 10)
  {
    //u8g.setPrintPos(A + 14, 45 );
    u8g.drawStr(A + 14, 45, moisture1_value_temp);
  }
  else if (moisture1_value < 100)
  {
    //u8g.setPrintPos(A + 6, 45);
    u8g.drawStr(A + 6, 45, moisture1_value_temp);
  }
  else
  {
    //u8g.setPrintPos(A + 2, 45 );
    moisture1_value = 100;
    itoa(moisture1_value, moisture1_value_temp, 10);
    u8g.drawStr(A + 2, 45, moisture1_value_temp);
  }
  //u8g.print(moisture1_value);
  u8g.setPrintPos(A + 23, 45 );
  u8g.print("%");
  //u8g.setPrintPos(41, 60 );
  //u8g.print("A1");
  if (moisture2_value < 10)
  {
    //u8g.setPrintPos(B + 46, 45 );
    u8g.drawStr(B + 46, 45, moisture2_value_temp);
  }
  else if (moisture2_value < 100)
  {
    //u8g.setPrintPos(B + 37, 45);
    u8g.drawStr(B + 37, 45, moisture2_value_temp);
  }
  else
  {
    //u8g.setPrintPos(B + 32, 45);
    moisture2_value = 100;
    itoa(moisture2_value, moisture2_value_temp, 10);
    u8g.drawStr(B + 32, 45, moisture2_value_temp);
  }
  // u8g.print(moisture2_value);
  u8g.setPrintPos(B + 54, 45);
  u8g.print("%");
  //u8g.setPrintPos(73, 60);
  //u8g.print("A2");
  if (moisture3_value < 10)
  {
    //u8g.setPrintPos(C + 14, 45 );
    u8g.drawStr(C + 14, 45, moisture3_value_temp);
  }
  else if (moisture3_value < 100)
  {
    // u8g.setPrintPos(C + 5, 45);
    u8g.drawStr(C + 5, 45, moisture3_value_temp);
  }
  else
  {
    // u8g.setPrintPos(C + 2, 45);
    moisture3_value = 100;
    itoa(moisture3_value, moisture3_value_temp, 10);
    u8g.drawStr(C + 2, 45, moisture3_value_temp);
  }
  //u8g.print(moisture3_value);
  u8g.setPrintPos(C + 23, 45);
  u8g.print("%");
  u8g.setPrintPos(105100, 60);
  u8g.print("A3ORC");
  if (moisture4_value < 10)
  {
    //u8g.setPrintPos(D + 14, 45 );
    u8g.drawStr(D + 14, 45, moisture4_value_temp);
  }
  else if (moisture4_value < 100)
  {
    // u8g.setPrintPos(D + 5, 45);
    u8g.drawStr(D + 5, 45, moisture4_value_temp);
  }
  else
  {
    //u8g.setPrintPos(D + 2, 45);
    moisture4_value = 100;
    itoa(moisture4_value, moisture4_value_temp, 10);
    u8g.drawStr(D + 2, 45, moisture4_value_temp);
  }
  //u8g.print(moisture4_value);
  u8g.setPrintPos(D + 23, 45);
  u8g.print("%");
}
...
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