DIY Use Soil Moisture Sensor,Oled,Arduino,Breadboard,Battery Part 01

 #include <U8glib.h> // Version 1.19.1   
   
   
   
 # define font  u8g.setFont(u8g_font_helvB08) // set font One for oled display  
   
 byte Scroll   = 4 ; // Scroll Text x axis  
   
 int soilHumVal   = 0 ;  // for reading analog value from Soil Humidity Sensor's Analog output  
   
 const byte soilHumA  = A1 ; // pin for Soil Humidity Sensor's ANALOG Output Signal Pin it gives raw voltage values  
   
 U8GLIB_SSD1306_128X64 u8g(U8G_I2C_OPT_DEV_0|U8G_I2C_OPT_NO_ACK|U8G_I2C_OPT_FAST); // Fast I2C / TWI   
   
 unsigned long secs = 0;  
   
   
   
   
 void setup()  
 {  
  Serial.begin(9600);  
    
  pinMode(soilHumA, INPUT)  ;  
   
  analogReference(DEFAULT);  
    
  Start();  
  delay(2000);  
   
    
  soilHumCalc() ;  
   
 }  
   
   
 void Start()  
   
 {  
   
   
  u8g.firstPage();   // START SCREEN "Picture loop" for OLED  
   
  do  
  {  
   
   font;  
   u8g.drawFrame(10, 12, 108, 31); // Draw Frame and it's Size  
   u8g.drawFrame(0, 0, 128, 64); // Draw Frame and it's Size  
   u8g.drawStr(15, 25, "Soil Humidity"); // Draw a string   
   u8g.drawStr(85, 32, "V 1.0");     
   u8g.drawStr( 37, 40, "Meter");  
   u8g.drawStr(53, 60, "Made by:AMK");  
   
   
  }  
  while ( u8g.nextPage() );  
   
 }  
   
   
   
   
   
   
   
 //####################################  
 // Function for Reading Soil Humidity#  
 //####################################  
 void  soilHumCalc()  
 {  
   
  soilHumVal = analogRead(soilHumA);  
   
  Serial.print("Raw 10-bit Number Value : ");  
  Serial.println(soilHumVal );  
  soilHumVal = map(soilHumVal, 1023, 0, 0, 100);  
  Serial.print("Percentage Value : " );  
  Serial.println(soilHumVal );  
   
  if(soilHumVal<3) soilHumVal=0;  
 }  
   
   
   
   
 //############  
 // Loop #####  
 //############  
   
   
   
 void loop()  
 {  
  delay(200);  
  soilHumCalc() ;  
  delay(200);  
   
   
    
    
  u8g.firstPage();  
   
  do  
  {   
   u8g.setColorIndex(1);  
   
   u8g.drawFrame(0, 0, 128, 20); // Draw frame  
   u8g.drawFrame(0, 22, 128, 42); // Draw fram  
   if(millis()- secs > 100)//Check Timer  
   {  
   Scroll = Scroll -1; // Minus 1  
   Scroll--;// Minus 1  
   secs=millis(); //Reset Timer  
   }  
   
     
     
   
     
   font;  
   u8g.setPrintPos(Scroll, 14);  
   u8g.print( "YouTube.com/CrazyGuy/Official");  
   u8g.setPrintPos(4, 34);  
   u8g.print( "Moisture");  
    
   if(soilHumVal>18)   
   {  
    u8g.setPrintPos(113, 34);  
    if(soilHumVal < 30)   
    {   
     u8g.print("M");  
    }   
    else   
    {   
     u8g.print("H");}  
    }  
     
   u8g.setFont(u8g_font_osr18); // set font for oled display  
   u8g.setPrintPos(102, 59);  
   u8g.print("%");  
    
   if(soilHumVal>30)   
   {  
    u8g.drawBox(52,36,49,25);  
    u8g.setColorIndex(0);  
   }  
      
   u8g.setPrintPos(51, 59);  
   u8g.print(soilHumVal);  
    
  }  
   
  while ( u8g.nextPage() );  
   
 }