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Dot Matrix 8×8 MAX7219 Dot Led Matrix Module MCU Control LED Display Module

السعر الأصلي هو: 150.00 EGP.السعر الحالي هو: 135.00 EGP.

Dot Matrix 8×8 MAX7219 Dot Led Matrix Module MCU Control LED Display Module

  1. Driver Chip: MAX7219
  2. Input Voltage: 3.7 to 5.3 V
  3. Input Current: 320 mA
  4. Display Dimensions: 32x32x6 (LxWxH) mm
  5. PCD Dimensions: 50×32 (LxW) mm

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SKU: Dotseg_8*8Mod MAX7219 Categories: , Tags: , ,
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Dot Matrix 8×8 MAX7219 Dot Led Matrix Module MCU Control LED Display Module

Features of Dot Matrix 8×8 MAX7219:

  • A single module can drive an 8 x 8 common cathode lattice
  • With four 3mm screw?holes
  • Module with input and output interface, supports multiple modules cascade

Specifications:

  • Working Voltage: 5V DC
  • Size: 5cm(L) X 3.2cm(W) X 1.5cm(H)
  • Connect Dot Matrix to Arduino


    The program was based on the?basic Arduino?book, author?Michael McRoberts,?with minor changes and adaptations. Load the program in Arduino changing the message lines, as indicated by the program to display the information you want:

    // Program: horizontal Scrool with LED matrix 8x8
    // Arduino and Co.
    ? ?
    #include <pgmspace.h> ?
    #include <TimerOne.h> ?
    ? ?
    int DataPin = 4; ?// Connect DIN to pin 4
    int ClockPin = 5; // Connect CLK to pin 5
    int LoadPin = 6; ?// Connect CS/Load to pin 6
    ??
    byte buffer8; ?
    ? ?
    static byte font[]8 PROGMEM = { ?
    {B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000}, ??
    {B00000100, B00000100, B00000100, B00000100, B00000100, B00000100, B00000000, B00000100}, ??
    {B00001010, B00001010, B00001010, B00000000, B00000000, B00000000, B00000000, B00000000}, ??
    {B00000000, B00001010, B00011111, B00001010, B00011111, B00001010, B00011111, B00001010}, ??
    {B00000111, B00001100, B00010100, B00001100, B00000110, B00000101, B00000110, B00011100}, ??
    {B00011001, B00011010, B00000010, B00000100, B00000100, B00001000, B00001011, B00010011}, ??
    {B00000110, B00001010, B00010010, B00010100, B00001001, B00010110, B00010110, B00001001}, ??
    {B00000100, B00000100, B00000100, B00000000, B00000000, B00000000, B00000000, B00000000}, ??
    {B00000010, B00000100, B00001000, B00001000, B00001000, B00001000, B00000100, B00000010}, ??
    {B00001000, B00000100, B00000010, B00000010, B00000010, B00000010, B00000100, B00001000}, ??
    {B00010101, B00001110, B00011111, B00001110, B00010101, B00000000, B00000000, B00000000}, ??
    {B00000000, B00000000, B00000100, B00000100, B00011111, B00000100, B00000100, B00000000}, ??
    {B00000000, B00000000, B00000000, B00000000, B00000000, B00000110, B00000100, B00001000}, ??
    {B00000000, B00000000, B00000000, B00000000, B00001110, B00000000, B00000000, B00000000}, ??
    {B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000100}, ??
    {B00000001, B00000010, B00000010, B00000100, B00000100, B00001000, B00001000, B00010000}, ??
    {B00001110, B00010001, B00010011, B00010001, B00010101, B00010001, B00011001, B00001110}, ??
    {B00000100, B00001100, B00010100, B00000100, B00000100, B00000100, B00000100, B00011111}, ??
    {B00001110, B00010001, B00010001, B00000010, B00000100, B00001000, B00010000, B00011111}, ??
    {B00001110, B00010001, B00000001, B00001110, B00000001, B00000001, B00010001, B00001110}, ??
    {B00010000, B00010000, B00010100, B00010100, B00011111, B00000100, B00000100, B00000100}, ??
    {B00011111, B00010000, B00010000, B00011110, B00000001, B00000001, B00000001, B00011110}, ??
    {B00000111, B00001000, B00010000, B00011110, B00010001, B00010001, B00010001, B00001110}, ??
    {B00011111, B00000001, B00000001, B00000001, B00000010, B00000100, B00001000, B00010000}, ??
    {B00001110, B00010001, B00010001, B00001110, B00010001, B00010001, B00010001, B00001110}, ??
    {B00001110, B00010001, B00010001, B00001111, B00000001, B00000001, B00000001, B00000001}, ??
    {B00000000, B00000100, B00000100, B00000000, B00000000, B00000100, B00000100, B00000000}, ??
    {B00000000, B00000100, B00000100, B00000000, B00000000, B00000100, B00000100, B00001000}, ??
    {B00000001, B00000010, B00000100, B00001000, B00001000, B00000100, B00000010, B00000001}, ??
    {B00000000, B00000000, B00000000, B00011110, B00000000, B00011110, B00000000, B00000000}, ??
    {B00010000, B00001000, B00000100, B00000010, B00000010, B00000100, B00001000, B00010000}, ??
    {B00001110, B00010001, B00010001, B00000010, B00000100, B00000100, B00000000, B00000100}, ??
    {B00001110, B00010001, B00010001, B00010101, B00010101, B00010001, B00010001, B00011110}, ??
    {B00001110, B00010001, B00010001, B00010001, B00011111, B00010001, B00010001, B00010001}, ??
    {B00011110, B00010001, B00010001, B00011110, B00010001, B00010001, B00010001, B00011110}, ??
    {B00000111, B00001000, B00010000, B00010000, B00010000, B00010000, B00001000, B00000111}, ??
    {B00011100, B00010010, B00010001, B00010001, B00010001, B00010001, B00010010, B00011100}, ?
    {B00011111, B00010000, B00010000, B00011110, B00010000, B00010000, B00010000, B00011111}, ??
    {B00011111, B00010000, B00010000, B00011110, B00010000, B00010000, B00010000, B00010000}, ??
    {B00001110, B00010001, B00010000, B00010000, B00010111, B00010001, B00010001, B00001110}, ??
    {B00010001, B00010001, B00010001, B00011111, B00010001, B00010001, B00010001, B00010001}, ??
    {B00011111, B00000100, B00000100, B00000100, B00000100, B00000100, B00000100, B00011111}, ??
    {B00011111, B00000100, B00000100, B00000100, B00000100, B00000100, B00010100, B00001000}, ??
    {B00010001, B00010010, B00010100, B00011000, B00010100, B00010010, B00010001, B00010001}, ??
    {B00010000, B00010000, B00010000, B00010000, B00010000, B00010000, B00010000, B00011111}, ??
    {B00010001, B00011011, B00011111, B00010101, B00010001, B00010001, B00010001, B00010001}, ??
    {B00010001, B00011001, B00011001, B00010101, B00010101, B00010011, B00010011, B00010001}, ??
    {B00001110, B00010001, B00010001, B00010001, B00010001, B00010001, B00010001, B00001110}, ??
    {B00011110, B00010001, B00010001, B00011110, B00010000, B00010000, B00010000, B00010000}, ??
    {B00001110, B00010001, B00010001, B00010001, B00010001, B00010101, B00010011, B00001111}, ??
    {B00011110, B00010001, B00010001, B00011110, B00010100, B00010010, B00010001, B00010001}, ??
    {B00001110, B00010001, B00010000, B00001000, B00000110, B00000001, B00010001, B00001110}, ??
    {B00011111, B00000100, B00000100, B00000100, B00000100, B00000100, B00000100, B00000100}, ??
    {B00010001, B00010001, B00010001, B00010001, B00010001, B00010001, B00010001, B00001110}, ??
    {B00010001, B00010001, B00010001, B00010001, B00010001, B00010001, B00001010, B00000100}, ??
    {B00010001, B00010001, B00010001, B00010001, B00010001, B00010101, B00010101, B00001010}, ??
    {B00010001, B00010001, B00001010, B00000100, B00000100, B00001010, B00010001, B00010001}, ??
    {B00010001, B00010001, B00001010, B00000100, B00000100, B00000100, B00000100, B00000100}, ??
    {B00011111, B00000001, B00000010, B00000100, B00001000, B00010000, B00010000, B00011111}, ??
    {B00001110, B00001000, B00001000, B00001000, B00001000, B00001000, B00001000, B00001110}, ??
    {B00010000, B00001000, B00001000, B00000100, B00000100, B00000010, B00000010, B00000001}, ??
    {B00001110, B00000010, B00000010, B00000010, B00000010, B00000010, B00000010, B00001110}, ??
    {B00000100, B00001010, B00010001, B00000000, B00000000, B00000000, B00000000, B00000000}, ??
    {B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00011111}, ??
    {B00001000, B00000100, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000}, ??
    {B00000000, B00000000, B00000000, B00001110, B00010010, B00010010, B00010010, B00001111}, ??
    {B00000000, B00010000, B00010000, B00010000, B00011100, B00010010, B00010010, B00011100}, ??
    {B00000000, B00000000, B00000000, B00001110, B00010000, B00010000, B00010000, B00001110}, ??
    {B00000000, B00000001, B00000001, B00000001, B00000111, B00001001, B00001001, B00000111}, ??
    {B00000000, B00000000, B00000000, B00011100, B00010010, B00011110, B00010000, B00001110}, ??
    {B00000000, B00000011, B00000100, B00000100, B00000110, B00000100, B00000100, B00000100}, ??
    {B00000000, B00001110, B00001010, B00001010, B00001110, B00000010, B00000010, B00001100}, ??
    {B00000000, B00010000, B00010000, B00010000, B00011100, B00010010, B00010010, B00010010}, ??
    {B00000000, B00000000, B00000100, B00000000, B00000100, B00000100, B00000100, B00000100}, ??
    {B00000000, B00000010, B00000000, B00000010, B00000010, B00000010, B00000010, B00001100}, ??
    {B00000000, B00010000, B00010000, B00010100, B00011000, B00011000, B00010100, B00010000}, ??
    {B00000000, B00010000, B00010000, B00010000, B00010000, B00010000, B00010000, B00001100}, ??
    {B00000000, B00000000, B00000000, B00001010, B00010101, B00010001, B00010001, B00010001}, ??
    {B00000000, B00000000, B00000000, B00010100, B00011010, B00010010, B00010010, B00010010}, ??
    {B00000000, B00000000, B00000000, B00001100, B00010010, B00010010, B00010010, B00001100}, ??
    {B00000000, B00011100, B00010010, B00010010, B00011100, B00010000, B00010000, B00010000}, ??
    {B00000000, B00001110, B00010010, B00010010, B00001110, B00000010, B00000010, B00000001}, ??
    {B00000000, B00000000, B00000000, B00001010, B00001100, B00001000, B00001000, B00001000}, ??
    {B00000000, B00000000, B00001110, B00010000, B00001000, B00000100, B00000010, B00011110}, ??
    {B00000000, B00010000, B00010000, B00011100, B00010000, B00010000, B00010000, B00001100}, ??
    {B00000000, B00000000, B00000000, B00010010, B00010010, B00010010, B00010010, B00001100}, ??
    {B00000000, B00000000, B00000000, B00010001, B00010001, B00010001, B00001010, B00000100}, ??
    {B00000000, B00000000, B00000000, B00010001, B00010001, B00010001, B00010101, B00001010}, ??
    {B00000000, B00000000, B00000000, B00010001, B00001010, B00000100, B00001010, B00010001}, ??
    {B00000000, B00000000, B00010001, B00001010, B00000100, B00001000, B00001000, B00010000}, ??
    {B00000000, B00000000, B00000000, B00011111, B00000010, B00000100, B00001000, B00011111}, ??
    {B00000010, B00000100, B00000100, B00000100, B00001000, B00000100, B00000100, B00000010}, ??
    {B00000100, B00000100, B00000100, B00000100, B00000100, B00000100, B00000100, B00000100}, ??
    {B00001000, B00000100, B00000100, B00000100, B00000010, B00000100, B00000100, B00001000}, ??
    {B00000000, B00000000, B00000000, B00001010, B00011110, B00010100, B00000000, B00000000} ??
    }; ?
    ? ?
    void clearDisplay()?
    {
    ? ? for (byte x=0; x<8; x  )?
    ? ? { ?
    ? ? ? ?buffer[x] = B00000000; ?
    ? ? } ?
    ? ? screenUpdate(); ?
    } ?
    ??
    void initMAX7219()?
    { ?
    ? ? pinMode(DataPin, OUTPUT); ?
    ? ? pinMode(LoadPin, OUTPUT); ?
    ? ? pinMode(ClockPin, OUTPUT); ?
    ? ? clearDisplay(); ?
    ? ? writeData(B00001011, B00000111); ??
    ? ? writeData(B00001001, B00000000); ??
    ? ? writeData(B00001100, B00000001); ??
    ? ? intensity(1); ??
    } ?
    ? ?
    void intensity(int intensity)?
    { ?
    ? ? writeData(B00001010, intensity); ??
    } ?
    ? ?
    void writeData(byte MSB, byte LSB)?
    { ?
    ? ? byte mask; ?
    ? ? digitalWrite(LoadPin, LOW); ??
    ? ? ??
    ? ? for (mask = B10000000; mask>0; mask >>= 1)?
    ? ? { ??
    ? ? ? ? digitalWrite(ClockPin, LOW); ?
    ? ? ? ? if (MSB & mask)
    ? ? ? ? { ??
    ? ? ? ? ? ?digitalWrite(DataPin,HIGH); ??
    ? ? ? ? } ?
    ? ? ? ? else
    ? ? ? ? { ??
    ? ? ? ? ? ?digitalWrite(DataPin,LOW); ??
    ? ? ? ? } ?
    ? ? ? ? digitalWrite(ClockPin, HIGH); ??
    ? ? } ?
    ? ? ??
    ? ? for (mask = B10000000; mask>0; mask >>= 1)?
    ? ? { ??
    ? ? ? ? digitalWrite(ClockPin, LOW); ?
    ? ? ? ? if (LSB & mask)
    ? ? ? ? { ??
    ? ? ? ? ? ?digitalWrite(DataPin,HIGH); ??
    ? ? ? ? } ?
    ? ? ? ? else
    ? ? ? ? { ??
    ? ? ? ? ? ? digitalWrite(DataPin,LOW); ??
    ? ? ? ? } ?
    ? ? ? ? digitalWrite(ClockPin, HIGH); ??
    ? ? } ?
    ? ? digitalWrite(LoadPin, HIGH); ??
    ? ? digitalWrite(ClockPin, LOW); ?
    } ?
    ? ?
    void scroll(char myString[], int speed)?
    { ?
    ? ? byte firstChrRow, secondChrRow; ?
    ? ? byte ledOutput; ?
    ? ? byte chrPointer = 0; ??
    ? ? byte Char1, Char2; ??
    ? ? byte scrollBit = 0; ?
    ? ? byte strLength = 0; ?
    ? ? unsigned long time; ?
    ? ? unsigned long counter; ?
    ? ? ? ?
    ? ? while (myString[strLength]) {strLength  ;} ?
    ? ? counter = millis(); ?
    ? ? while (chrPointer < (strLength-1))?
    ? ? { ?
    ? ? ? ?time = millis(); ?
    ? ? ? ?if (time > (counter   speed))?
    ? ? ? ?{?
    ? ? ? ? ? Char1 = myString[chrPointer]; ?
    ? ? ? ? ? Char2 = myString[chrPointer 1]; ?
    ? ? ? ? ? for (byte y= 0; y<8; y  )?
    ? ? ? ? ? { ?
    ? ? ? ? ? ? firstChrRow = pgm_read_byte(&font[Char1 - 32][y]); ?
    ? ? ? ? ? ? secondChrRow = (pgm_read_byte(&font[Char2 - 32][y])) << 1; ?
    ? ? ? ? ? ? ledOutput = (firstChrRow << scrollBit) | (secondChrRow >> (8 - scrollBit) ); ?
    ? ? ? ? ? ? buffer[y] = ledOutput; ?
    ? ? ? ? ? } ?
    ? ? ? ? ? ? scrollBit  ; ??
    ? ? ? ? ? ? if (scrollBit > 6)?
    ? ? ? ? ? ? { ??
    ? ? ? ? ? ? ? scrollBit = 0; ?
    ? ? ? ? ? ? ? chrPointer  ; ?
    ? ? ? ? ? ? } ?
    ? ? ? ? ? ? counter = millis(); ?
    ? ? ? ? } ?
    ? ? } ?
    } ?
    ? ?
    void screenUpdate()?
    { ?
    ? ?for (byte row = 0; row < 8; row  )?
    ? ?{?
    ? ? ? writeData(row 1, buffer[row]); ?
    ? ?} ?
    } ?
    ? ?
    void setup()?
    { ?
    ? ?initMAX7219(); ?
    ? ?Timer1.initialize(10000); ? ? ??
    ? ?Timer1.attachInterrupt(screenUpdate); ??
    } ?
    ??
    void loop()?
    { ?
    ? ?clearDisplay(); ? ?
    ? ?scroll(" Arduino: ", 100);?// Display the message to scroll range of 100
    ? ?scroll(" - 2013 ", 100); // Add more lines to show other characters
    }

     

14 Days Warranty

This item is covered with a standard warranty of 14 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Micro Ohm customers from any kind of manufacturing defects. Replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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