diff --git a/ee.c b/ee.c
new file mode 100644
index 0000000..956e61c
--- /dev/null
+++ b/ee.c
@@ -0,0 +1,238 @@
+
+#include "ee.h"
+#include "eeConfig.h"
+#include <string.h>
+
+#define   PAGE                  0
+#define   SECTOR                1
+
+#if defined(STM32F103xB)
+#define		_EE_SIZE              1024
+#define   _EE_ADDR_INUSE        (((uint32_t)0x08000000) | (_EE_SIZE * _EE_USE_FLASH_PAGE_OR_SECTOR))
+#define   _EE_FLASH_BANK        FLASH_BANK_1
+#define   _EE_PAGE_OR_SECTOR    PAGE
+#if (_EE_USE_FLASH_PAGE_OR_SECTOR > 127)
+#error  "Please Enter currect address, maximum is (127)"
+#endif
+#endif
+
+#if defined(STM32F103x8)
+#define		_EE_MAX_SIZE          1024
+#define   _EE_ADDR_INUSE        (((uint32_t)0x08000000) | (_EE_MAX_SIZE * _EE_USE_FLASH_PAGE_OR_SECTOR))
+#define   _EE_FLASH_BANK        FLASH_BANK_1
+#define   _EE_PAGE_OR_SECTOR    PAGE
+#if (_EE_USE_FLASH_PAGE_OR_SECTOR > 63)
+#error  "Please Enter currect address, maximum is (63)"
+#endif
+#endif
+
+#if defined(STM32F103xC)
+#define		_EE_SIZE              2048
+#define   _EE_ADDR_INUSE        (((uint32_t)0x08000000) | (_EE_SIZE * _EE_USE_FLASH_PAGE_OR_SECTOR))
+#define   _EE_FLASH_BANK        FLASH_BANK_1
+#define   _EE_PAGE_OR_SECTOR    PAGE
+#if (_EE_USE_FLASH_PAGE_OR_SECTOR > 127)
+#error  "Please Enter currect address, maximum is (127)"
+#endif
+#endif
+
+#if defined(STM32F103xD)
+#define		_EE_SIZE              2048
+#define   _EE_ADDR_INUSE        (((uint32_t)0x08000000) | (_EE_SIZE * _EE_USE_FLASH_PAGE_OR_SECTOR))
+#define   _EE_FLASH_BANK        FLASH_BANK_1
+#define   _EE_PAGE_OR_SECTOR    PAGE
+#if (_EE_USE_FLASH_PAGE_OR_SECTOR > 191)
+#error  "Please Enter currect address, maximum is (191)"
+#endif
+#endif
+
+#if defined(STM32F103xE)
+#define		_EE_SIZE              2048
+#define   _EE_ADDR_INUSE        (((uint32_t)0x08000000) | (_EE_SIZE * _EE_USE_FLASH_PAGE_OR_SECTOR))
+#define   _EE_FLASH_BANK        FLASH_BANK_1
+#define   _EE_PAGE_OR_SECTOR    PAGE
+#if (_EE_USE_FLASH_PAGE_OR_SECTOR > 255)
+#error  "Please Enter currect address, maximum is (255)"
+#endif
+#endif
+
+#if defined(STM32F030x4) || defined(STM32F042x4)  || defined(STM32F070x4)
+#define		_EE_SIZE              1024
+#define   _EE_ADDR_INUSE        (((uint32_t)0x08000000) | (_EE_SIZE * _EE_USE_FLASH_PAGE_OR_SECTOR))
+#define   _EE_PAGE_OR_SECTOR    PAGE
+#if (_EE_USE_FLASH_PAGE_OR_SECTOR > 15)
+#error  "Please Enter currect address, maximum is (15)"
+#endif
+#endif
+
+#if  defined(STM32F030x6) || defined(STM32F042x6) || defined(STM32F070x6)
+#define		_EE_SIZE              1024
+#define   _EE_ADDR_INUSE        (((uint32_t)0x08000000) | (_EE_SIZE * _EE_USE_FLASH_PAGE_OR_SECTOR))
+#define   _EE_PAGE_OR_SECTOR    PAGE
+#if (_EE_USE_FLASH_PAGE_OR_SECTOR > 31)
+#error  "Please Enter currect address, maximum is (31)"
+#endif
+#endif
+
+#if defined(STM32F030x8) || defined(STM32F042x8)
+#define		_EE_SIZE              1024
+#define   _EE_ADDR_INUSE        (((uint32_t)0x08000000) | (_EE_SIZE * _EE_USE_FLASH_PAGE_OR_SECTOR))
+#define   _EE_PAGE_OR_SECTOR    PAGE
+#if (_EE_USE_FLASH_PAGE_OR_SECTOR > 63)
+#error  "Please Enter currect address, maximum is (63)"
+#endif
+#endif
+
+#if defined(STM32F070xB)
+#define		_EE_SIZE              2048
+#define   _EE_ADDR_INUSE        (((uint32_t)0x08000000) | (_EE_SIZE * _EE_USE_FLASH_PAGE_OR_SECTOR))
+#define   _EE_PAGE_OR_SECTOR    PAGE
+#if (_EE_USE_FLASH_PAGE_OR_SECTOR > 63)
+#error  "Please Enter currect address, maximum is (63)"
+#endif
+#endif
+
+#if defined(STM32F070xC)
+#define		_EE_SIZE              2048
+#define   _EE_ADDR_INUSE        (((uint32_t)0x08000000) | (_EE_SIZE * _EE_USE_FLASH_PAGE_OR_SECTOR))
+#define   _EE_PAGE_OR_SECTOR    PAGE
+#if (_EE_USE_FLASH_PAGE_OR_SECTOR > 127)
+#error  "Please Enter currect address, maximum is (127)"
+#endif
+#endif
+
+
+#if defined(STM32F405xx) || defined(STM32F407xx) || defined(STM32F415xx) || defined(STM32F417xx)
+#define		_EE_SIZE              (1024 * 128)
+#define   _EE_ADDR_INUSE        (((uint32_t)0x08020000) | (_EE_SIZE*(_EE_USE_FLASH_PAGE_OR_SECTOR - 5)))
+#define   _EE_FLASH_BANK        FLASH_BANK_1
+#define   _EE_VOLTAGE_RANGE     _EE_VOLTAGE
+#define   _EE_PAGE_OR_SECTOR    PAGE
+#if (_EE_USE_FLASH_PAGE_OR_SECTOR > 11)
+#error  "Please Enter currect address, maximum is (11)"
+#endif
+#if (_EE_USE_FLASH_PAGE_OR_SECTOR < 5)
+#error  "Please Enter currect address, minimum is (5)"
+#endif
+#endif
+
+#if (_EE_USE_RAM_BYTE > 0)
+uint16_t ee_ram[_EE_USE_RAM_BYTE / 2];
+#endif
+
+//##########################################################################################################
+bool ee_init(void)
+{
+  #if (_EE_USE_RAM_BYTE > 0)
+  return ee_read(0, _EE_USE_RAM_BYTE, NULL);  
+  #else
+  return true;
+  #endif  
+}
+//##########################################################################################################
+bool ee_format(bool keepRamData)
+{	
+  uint32_t	error;
+	HAL_FLASH_Unlock();
+	FLASH_EraseInitTypeDef	flashErase;
+  #if _EE_PAGE_OR_SECTOR == PAGE
+	flashErase.NbPages = 1;
+  flashErase.PageAddress = _EE_ADDR_INUSE;
+  flashErase.TypeErase = FLASH_TYPEERASE_PAGES;
+  #else
+  flashErase.NbSectors = 1;
+  flashErase.Sector =  _EE_ADDR_INUSE;
+  flashErase.TypeErase = FLASH_TYPEERASE_SECTORS;
+  #endif
+	#ifdef _EE_FLASH_BANK
+	flashErase.Banks = _EE_FLASH_BANK;
+	#endif
+  #ifdef _EE_VOLTAGE_RANGE
+  flashErase.VoltageRange = _EE_VOLTAGE_RANGE;
+  #endif
+	if (HAL_FLASHEx_Erase(&flashErase, &error) == HAL_OK)
+	{
+		HAL_FLASH_Lock();
+		if(error != 0xFFFFFFFF)
+			return false;
+		else
+    {
+      #if (_EE_USE_RAM_BYTE > 0)
+      if (keepRamData == false)
+        memset(ee_ram, 0xFF, _EE_USE_RAM_BYTE);
+      #endif
+			return true;	
+    }
+	}
+	HAL_FLASH_Lock();
+	return false;	
+}
+//##########################################################################################################
+bool ee_read(uint32_t startVirtualAddress, uint32_t lenHalfWord, uint16_t* data)
+{
+	if ((startVirtualAddress + lenHalfWord) >	(_EE_SIZE / 2))
+		return false;
+	for (uint32_t	i = startVirtualAddress ; i < lenHalfWord + startVirtualAddress ; i++)
+	{
+    if (data != NULL)
+    {
+      *data =  (*(__IO uint16_t*)(i + _EE_ADDR_INUSE));
+      data++;
+    }
+    #if (_EE_USE_RAM_BYTE > 0)
+    if ( i < _EE_USE_RAM_BYTE)
+      ee_ram[i] = (*(__IO uint16_t*)(i + _EE_ADDR_INUSE));
+    #endif		
+	}
+	return true;
+}
+//##########################################################################################################
+bool ee_write(uint32_t startVirtualAddress, uint32_t lenHalfWord, uint16_t* data)
+{
+	if ((startVirtualAddress + lenHalfWord) >	(_EE_SIZE / 2))
+		return false;
+  if (data == NULL)
+    return false;
+	HAL_FLASH_Unlock();
+  for (uint32_t i = 0; i < lenHalfWord ; i++)
+	{		
+		if (HAL_FLASH_Program(FLASH_TYPEPROGRAM_HALFWORD, ((i + startVirtualAddress)) + _EE_ADDR_INUSE, (uint64_t)(data[i])) != HAL_OK)
+		{
+			HAL_FLASH_Lock();
+			return false;
+		}
+	}	
+	HAL_FLASH_Lock();
+	return true;
+}
+//##########################################################################################################
+bool ee_writeToRam(uint32_t startVirtualAddress, uint32_t lenHalfWord, uint16_t* data)
+{
+  #if (_EE_USE_RAM_BYTE > 0)
+  if ((startVirtualAddress + lenHalfWord) >	(_EE_USE_RAM_BYTE / 2))
+		return false;
+  if (data == NULL)
+    return false;
+  memcpy(&ee_ram[startVirtualAddress], data, lenHalfWord);  
+  return true;
+  #else
+  return false;
+  #endif  
+}
+//##########################################################################################################
+bool  ee_writeRamToFlash(void)
+{
+  #if (_EE_USE_RAM_BYTE > 0)
+  if (ee_format(true) == false)
+    return false;
+  return ee_write(0, _EE_USE_RAM_BYTE, ee_ram);  
+  #else
+  return false;
+  #endif  
+}
+//##########################################################################################################
+uint32_t  ee_maxVirtualAddress(void)
+{
+  return (_EE_SIZE / 2);  
+}
+//##########################################################################################################
diff --git a/ee.h b/ee.h
new file mode 100644
index 0000000..5f022e2
--- /dev/null
+++ b/ee.h
@@ -0,0 +1,40 @@
+#ifndef __EEPROM_H
+#define __EEPROM_H
+
+/*
+  Author:     Nima Askari
+  WebSite:    http://www.github.com/NimaLTD
+  Instagram:  http://instagram.com/github.NimaLTD
+  Youtube:    https://www.youtube.com/channel/UCUhY7qY1klJm1d2kulr9ckw
+  
+  Version:    2.0.0
+  
+  Reversion History:
+  (2.0.0)
+  Rewrite again.
+
+*/
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+#include <stdbool.h>
+#include "gpio.h"
+
+//################################################################################################################
+bool      ee_init(void);
+bool      ee_format(bool keepRamData);
+bool      ee_read(uint32_t startVirtualAddress, uint32_t lenHalfWord, uint16_t* data);
+bool      ee_write(uint32_t startVirtualAddress, uint32_t lenHalfWord, uint16_t* data);
+bool      ee_writeToRam(uint32_t startVirtualAddress, uint32_t lenHalfWord, uint16_t* data);
+bool      ee_writeRamToFlash(void);
+uint32_t  ee_maxVirtualAddress(void);
+
+//################################################################################################################
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/eeConfig.h b/eeConfig.h
new file mode 100644
index 0000000..8db4ed9
--- /dev/null
+++ b/eeConfig.h
@@ -0,0 +1,7 @@
+#ifndef __EECONFIG_H
+#define __EECONFIG_H
+
+#define   _EE_USE_FLASH_PAGE_OR_SECTOR              (63)
+#define   _EE_USE_RAM_BYTE                          (1024)
+#define   _EE_VOLTAGE                               FLASH_VOLTAGE_RANGE_3 //  use in some devices
+#endif