diff --git a/Inc/DS_MAX7219.h b/Inc/DS_MAX7219.h
new file mode 100644
index 0000000..b7a7134
--- /dev/null
+++ b/Inc/DS_MAX7219.h
@@ -0,0 +1,30 @@
+#ifndef DSMAX7219_H
+#define DSMAX7219_H
+
+#include "stm32f0xx_hal.h"
+#include <stdbool.h>
+
+typedef struct DS_MAX7219
+{
+    SPI_HandleTypeDef* SPI;
+    char DisplayData[8];
+    uint8_t Dots;
+    uint8_t DecodeMode, Intensivity, ScanLimit;
+    bool EnableDecodeMode;
+    GPIO_TypeDef* Port_CS;
+    uint16_t Pin_CS;
+}DS_MAX7219;
+
+void DS_MAX7219_Init(DS_MAX7219* Display, SPI_HandleTypeDef* SPI, GPIO_TypeDef* Port_CS, uint16_t Pin_CS);
+
+void DS_MAX7219_EnableDots(DS_MAX7219* Display, uint8_t Dots);
+
+void DS_MAX7219_Print(DS_MAX7219* Display, int64_t Number);
+
+void DS_MAX7219_UpdataDisplay(DS_MAX7219* Display);
+
+void DS_MAX7219_ConfigureDisplay(DS_MAX7219* Display, uint8_t DecodeMode, uint8_t Intensivity, uint8_t ScanLimit);
+
+void __DS_MAX7219_SendConfigData(DS_MAX7219* Display);
+
+#endif //DSMAX7219_H
\ No newline at end of file
diff --git a/Src/DS_MAX7219.c b/Src/DS_MAX7219.c
new file mode 100644
index 0000000..b33e25f
--- /dev/null
+++ b/Src/DS_MAX7219.c
@@ -0,0 +1,221 @@
+#include "../inc/DS_MAX7219.h"
+#include <stdio.h>
+
+void DS_MAX7219_Init(DS_MAX7219* Display, SPI_HandleTypeDef* SPI, GPIO_TypeDef* Port_CS, uint16_t Pin_CS)
+{
+    HAL_Delay(500);
+    Display->SPI = SPI;
+    Display->DecodeMode = 0;
+    Display->Intensivity = 8;
+    Display->ScanLimit = 7;
+    Display->EnableDecodeMode = true;
+
+    Display->Port_CS = Port_CS;
+    Display->Pin_CS = Pin_CS;
+    
+    for (uint8_t i = 0; i < 9; i++)
+    {
+        Display->DisplayData[i] = ' ';
+    }
+    
+    __DS_MAX7219_SendConfigData(Display);
+    DS_MAX7219_UpdataDisplay(Display);
+}
+
+void DS_MAX7219_Print(DS_MAX7219* Display, int64_t Number)
+{
+    
+    //sprintf(Display->DisplayData, "%lld", Number);
+
+    
+    if (Number<0)
+    {
+        Display->DisplayData[0] = '-';
+        Number = Number * -1;
+    }
+    else
+        Display->DisplayData[0] = ' ';
+
+
+    uint8_t t = Number/1000000;
+
+    if (t==0)
+        Display->DisplayData[1] = ' ';
+    else if (t<10)
+    {
+        Display->DisplayData[1] = t;
+        Number = Number - t*1000000;
+    }
+    else
+    {
+        Display->DisplayData[0] = 
+        Display->DisplayData[1] = 
+        Display->DisplayData[2] = 
+        Display->DisplayData[3] = 
+        Display->DisplayData[4] = 
+        Display->DisplayData[5] = 
+        Display->DisplayData[6] = 
+        Display->DisplayData[7] = '9';
+        return;
+    }
+
+    t = Number/100000;
+    if ((t==0)&&(Display->DisplayData[1] == ' '))
+        Display->DisplayData[2] = ' ';
+    else
+    {
+        Display->DisplayData[2] = t;
+        Number = Number - t*100000;
+    }
+
+    t = Number/10000;
+    if ((t==0)&&(Display->DisplayData[2] == ' '))
+        Display->DisplayData[3] = ' ';
+    else
+    {
+        Display->DisplayData[3] = t;
+        Number = Number - t*10000;
+    }
+
+    t = Number/1000;
+    if ((t==0)&&(Display->DisplayData[3] == ' '))
+        Display->DisplayData[4] = ' ';
+    else
+    {
+        Display->DisplayData[4] = t;
+        Number = Number - t*1000;
+    }
+
+    t = Number/100;
+    if ((t==0)&&(Display->DisplayData[4] == ' '))
+        Display->DisplayData[5] = ' ';
+    else
+    {
+        Display->DisplayData[5] = t;
+        Number = Number - t*100;
+    }
+
+    t = Number/10;
+    if ((t==0)&&(Display->DisplayData[5] == ' '))
+        Display->DisplayData[6] = ' ';
+    else
+    {
+        Display->DisplayData[6] = t;
+        Number = Number - t*10;
+    }
+
+    Display->DisplayData[7] = Number;
+}
+
+uint8_t __DS_MAX7219_ConvertSymbol(char Symbol)
+{
+    switch (Symbol)
+    {
+    case '0':
+        return 0;
+        break;
+    case '1':
+        return 1;
+        break;
+    case '2':
+        return 2;
+        break;
+    case '3':
+        return 3;
+        break;
+    case '4':
+        return 4;
+        break;
+    case '5':
+        return 5;
+        break;
+    case '6':
+        return 6;
+        break;
+    case '7':
+        return 7;
+        break;
+    case '8':
+        return 8;
+        break;
+    case '9':
+        return 9;
+        break;
+    case '-':
+        return 10;
+        break;
+    case 'E':
+        return 11;
+        break;
+    case 'H':
+        return 12;
+        break;
+    case 'L':
+        return 13;
+        break;
+    case 'P':
+        return 14;
+        break;
+    case ' ':
+        return 15;
+        break;
+    
+    default:
+        break;
+    }
+    return Symbol;
+}
+
+void DS_MAX7219_UpdataDisplay(DS_MAX7219 *Display)
+{
+    for (uint8_t i = 0; i < 8; i++)
+    {
+        HAL_GPIO_WritePin(Display->Port_CS, Display->Pin_CS, GPIO_PIN_RESET);
+        uint16_t Data = (i+1<<8) + __DS_MAX7219_ConvertSymbol(Display->DisplayData[7-i]);
+        HAL_SPI_Transmit(Display->SPI, (uint8_t*) &Data, 1, 100);
+        HAL_GPIO_WritePin(Display->Port_CS, Display->Pin_CS, GPIO_PIN_SET);
+    }
+}
+
+void DS_MAX7219_ConfigureDisplay(DS_MAX7219 *Display, uint8_t DecodeMode, uint8_t Intensivity, uint8_t ScanLimit)
+{
+    Display->DecodeMode = DecodeMode;
+    
+    if(Intensivity>0xF)
+        Display->Intensivity = 0xF;
+    else
+        Display->Intensivity = Intensivity;
+
+    if(ScanLimit>0x7)
+        Display->ScanLimit = 0x7;
+    else
+        Display->ScanLimit = ScanLimit;
+
+    __DS_MAX7219_SendConfigData(Display);
+}
+
+void __DS_MAX7219_SendConfigData(DS_MAX7219 *Display)
+{
+    uint16_t Data[5];
+    // 0 - Decode mode      0x9
+    // 1 - Intensivity      0xA
+    // 2 - ScanLimit        0xB
+    // 3 - Shutdown mode    0xC
+    // 4 - Display test     0xF
+    if (Display->EnableDecodeMode)
+        Data[0]=0x9FF;
+    else
+        Data[0]=0x900;
+    
+    Data[1] = 0xA00 + Display->Intensivity;
+    Data[2] = 0xB00 + Display->ScanLimit;
+    Data[3] = 0xC00 + 1;
+    Data[4] = 0xF00 + 0;
+
+    for (uint8_t i = 0; i < 5; i++)
+    {
+        HAL_GPIO_WritePin(Display->Port_CS, Display->Pin_CS, GPIO_PIN_RESET);
+        HAL_SPI_Transmit(Display->SPI, (uint8_t*) &Data[i], 1, 100);
+        HAL_GPIO_WritePin(Display->Port_CS, Display->Pin_CS, GPIO_PIN_SET);
+    }
+}