MAX7219 8×8 Dot Matrix LED Display Module

8×8 Red LED Matrix driven by MAX7219 chip
Serial Interface (SPI Compatible) for easy microcontroller integration
Cascadable Design to chain multiple modules
Adjustable Brightness Control via software
Ideal for Scrolling Text, Symbols, and Animations

SKU: aA1799 Categories: Electronic Modules, LED Dot Matrix Display, LED Module Tags: Electronic Modules, LED, LED Dot Matrix Display, LED Module

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Description

Bring your digital interfaces to life with the MAX7219 8×8 Dot Matrix LED Display Module. Built around the highly efficient MAX7219 serial input/output common-cathode display driver, this module allows you to control 64 individual red LEDs using only three digital pins on your microcontroller. It is an ideal, low-overhead solution for Arduino and ESP32 prototyping, freeing up valuable I/O pins for your other sensors or motor drivers. The integrated chip automatically handles all multiplexing, decoding, and refresh rates. Furthermore, these modules are designed to be easily daisy-chained together, allowing you to build expansive scrolling text signs or custom data readouts with minimal wiring.

Key Features

Efficient SPI-Compatible Interface: Requires only 3 I/O pins (DIN, CS, CLK) to control the entire 8×8 grid, drastically saving your microcontroller’s hardware resources.
Seamless Cascading: Features dedicated input and output header pins, allowing multiple matrix blocks to be daisy-chained together to create larger displays or scrolling tickers.
Integrated Hardware Driver: The onboard MAX7219 chip completely offloads LED multiplexing and current sourcing, ensuring a crisp, flicker-free display without taxing your main processor.
Software-Adjustable Brightness: The display intensity can be easily controlled programmatically via your microcontroller code to suit various ambient lighting conditions.
Plug-and-Play Prototyping: Comes equipped with standard 2.54mm header pins, making it immediately ready for breadboard insertion or standard Dupont jumper wire connections.

Technical Specifications

Specification	Detail
Driver IC	MAX7219
Operating Voltage	5V DC
Matrix Resolution	8×8 (64 individual LEDs)
LED Color	Red (Common Cathode)
Communication Interface	Serial / SPI (DIN, CS, CLK)
Operating Current	~320mA (Max, all LEDs fully illuminated)
Dimensions	~32 mm × 32 mm × 13 mm
Mounting	4 pre-drilled M3 mounting holes

🔌

Pin Connections

1 Table

Pin Connections Table 1

Board	Sensor Pin	Connection
MAX7219	VCC/GND/DIN/CS/CLK	5V / GND / board digital pin / board digital pin / board digital pin

📟

MAX7219 8x8 Dot Matrix LED Display Module

7 Examples • C/C++ | Boards: Arduino Uno, Arduino Nano, Arduino Mega, ESP32, ESP8266, STM32, Raspberry Pi Pico

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MAX7219 8x8 Dot Matrix LED Display Module - Arduino Uno

MAX7219 8x8 Dot Matrix LED Display Module - Arduino Nano

MAX7219 8x8 Dot Matrix LED Display Module - Arduino Mega

MAX7219 8x8 Dot Matrix LED Display Module - ESP32

MAX7219 8x8 Dot Matrix LED Display Module - ESP8266

MAX7219 8x8 Dot Matrix LED Display Module - STM32

MAX7219 8x8 Dot Matrix LED Display Module - Raspberry Pi Pico

📄 File: max7219_8x8_dot_matrix_led_display_module_-_arduino_uno.inoArduino Uno

481 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// DIN=11, CS=10, CLK=13 on Arduino Uno (bit-banged SPI, so any digital pins work)

6#include <LedControl.h>

8LedControl lc = LedControl(11, 13, 10, 1);

10void setup() {

11 lc.shutdown(0, false);

12 lc.setIntensity(0, 8);

13 lc.clearDisplay(0);

14}

16void loop() {

17 for (int row = 0; row < 8; row++) {

18 lc.setRow(0, row, B10101010); // simple checkerboard test pattern

19 }

20 delay(500);

21 lc.clearDisplay(0);

22 delay(500);

23}

📄 File: max7219_8x8_dot_matrix_led_display_module_-_arduino_nano.inoArduino Nano

482 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// DIN=11, CS=10, CLK=13 on Arduino Nano (bit-banged SPI, so any digital pins work)

6#include <LedControl.h>

8LedControl lc = LedControl(11, 13, 10, 1);

10void setup() {

11 lc.shutdown(0, false);

12 lc.setIntensity(0, 8);

13 lc.clearDisplay(0);

14}

16void loop() {

17 for (int row = 0; row < 8; row++) {

18 lc.setRow(0, row, B10101010); // simple checkerboard test pattern

19 }

20 delay(500);

21 lc.clearDisplay(0);

22 delay(500);

23}

📄 File: max7219_8x8_dot_matrix_led_display_module_-_arduino_mega.inoArduino Mega

482 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// DIN=51, CS=53, CLK=52 on Arduino Mega (bit-banged SPI, so any digital pins work)

6#include <LedControl.h>

8LedControl lc = LedControl(51, 52, 53, 1);

10void setup() {

11 lc.shutdown(0, false);

12 lc.setIntensity(0, 8);

13 lc.clearDisplay(0);

14}

16void loop() {

17 for (int row = 0; row < 8; row++) {

18 lc.setRow(0, row, B10101010); // simple checkerboard test pattern

19 }

20 delay(500);

21 lc.clearDisplay(0);

22 delay(500);

23}

📄 File: max7219_8x8_dot_matrix_led_display_module_-_esp32.inoESP32

473 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// DIN=23, CS=5, CLK=18 on ESP32 (bit-banged SPI, so any digital pins work)

6#include <LedControl.h>

8LedControl lc = LedControl(23, 18, 5, 1);

10void setup() {

11 lc.shutdown(0, false);

12 lc.setIntensity(0, 8);

13 lc.clearDisplay(0);

14}

16void loop() {

17 for (int row = 0; row < 8; row++) {

18 lc.setRow(0, row, B10101010); // simple checkerboard test pattern

19 }

20 delay(500);

21 lc.clearDisplay(0);

22 delay(500);

23}

📄 File: max7219_8x8_dot_matrix_led_display_module_-_esp8266.inoESP8266

477 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// DIN=D7, CS=D8, CLK=D5 on ESP8266 (bit-banged SPI, so any digital pins work)

6#include <LedControl.h>

8LedControl lc = LedControl(D7, D5, D8, 1);

10void setup() {

11 lc.shutdown(0, false);

12 lc.setIntensity(0, 8);

13 lc.clearDisplay(0);

14}

16void loop() {

17 for (int row = 0; row < 8; row++) {

18 lc.setRow(0, row, B10101010); // simple checkerboard test pattern

19 }

20 delay(500);

21 lc.clearDisplay(0);

22 delay(500);

23}

📄 File: max7219_8x8_dot_matrix_led_display_module_-_stm32.inoSTM32

481 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// DIN=PA7, CS=PA4, CLK=PA5 on STM32 (bit-banged SPI, so any digital pins work)

6#include <LedControl.h>

8LedControl lc = LedControl(PA7, PA5, PA4, 1);

10void setup() {

11 lc.shutdown(0, false);

12 lc.setIntensity(0, 8);

13 lc.clearDisplay(0);

14}

16void loop() {

17 for (int row = 0; row < 8; row++) {

18 lc.setRow(0, row, B10101010); // simple checkerboard test pattern

19 }

20 delay(500);

21 lc.clearDisplay(0);

22 delay(500);

23}

📄 File: max7219_8x8_dot_matrix_led_display_module_-_raspberry_pi_pico.inoRaspberry Pi Pico

487 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// DIN=19, CS=17, CLK=18 on Raspberry Pi Pico (bit-banged SPI, so any digital pins work)

6#include <LedControl.h>

8LedControl lc = LedControl(19, 18, 17, 1);

10void setup() {

11 lc.shutdown(0, false);

12 lc.setIntensity(0, 8);

13 lc.clearDisplay(0);

14}

16void loop() {

17 for (int row = 0; row < 8; row++) {

18 lc.setRow(0, row, B10101010); // simple checkerboard test pattern

19 }

20 delay(500);

21 lc.clearDisplay(0);

22 delay(500);

23}

Project Notes:

8x8 LED dot matrix with a MAX7219 driver IC, bit-banged SPI.

Required Libraries:

LedControlGitHub

Specification

WeightWeight	8 g
Dimensions	4 × 3 × 1,5 cm
Product Name	MAX7219 8×8 Dot LED Matrix Display Module
Type	8×8 LED Dot Matrix Display Module
Driver IC	MAX7219
Display Size	8×8 LEDs (64 LEDs total)
Interface	Serial (SPI-compatible)
Operating Voltage	5V DC
Current Consumption	~50 mA (idle), up to 320 mA (full brightness)
Control	Daisy-chain multiple modules using SPI
Brightness	Adjustable via software
Dimensions	Approx. 32 × 32 × 10 mm
Color	Red LEDs (other colors may be available depending on model)
Material	PCB with integrated LED matrix and MAX7219 IC

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