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--- informatica:arduino:matrix_led [2022/10/24 22:03] – jose
+++ informatica:arduino:matrix_led [2025/05/03 14:25] (current) – jose
@@ Line 1: / Line 1: @@
-====== Panel Matrix led ======
+====== Matrix panel led MAX7219 ======
-Hay varias bibliotecas (que no librerías)
-====== Ejemplo 1 ======
+^ ESP32 ^ MAX7219 ^ Descripción ^
-https://microcontrollerslab.com/led-dot-matrix-display-esp32-max7219/
+| 5V | VCC | Alimentación |
+| GND | GND | Tierra |
+| GPIO 23 | DIN | Datos |
+| GPIO 5 | CS | Chip Select (CS/LOAD) |
+| GPIO 18 | CLK | Reloj |
-Bibliotecas: MD_MAX72XX by MajicDesigns and MD_Parola de MajicDesigns
-{{:informatica:arduino:ejemplo_1.png|}}
-^PANEL^ESP32^
-|VCC|Vin|
-|GND|GND|
-|DIN|GPIO23|
-|CS|GPIO5|
-|CLK|GPIO18|
-<code>
-#include <MD_Parola.h>
-#include <MD_MAX72xx.h>
-#include <SPI.h>
-// Uncomment according to your hardware type
-#define HARDWARE_TYPE MD_MAX72XX::FC16_HW
-//#define HARDWARE_TYPE MD_MAX72XX::GENERIC_HW
-// Defining size, and output pins
-#define MAX_DEVICES 4
-#define CS_PIN 5
-MD_Parola Display = MD_Parola(HARDWARE_TYPE, CS_PIN, MAX_DEVICES);
-void setup() {
-  Display.begin();
-  Display.setIntensity(0);
-  Display.displayClear();
-}
-void loop() {
-  Display.setTextAlignment(PA_LEFT);
-  Display.print("ESP32");
-  delay(2000);
-  Display.setTextAlignment(PA_CENTER);
-  Display.print("ESP32");
-  delay(2000);
-  Display.setTextAlignment(PA_RIGHT);
-  Display.print("ESP32");
-  delay(2000);
-  Display.setTextAlignment(PA_CENTER);
-  Display.setInvert(true);
-  Display.print("ESP32");
-  delay(2000);
-  Display.setInvert(false);
-  delay(2000);
-}
-</code>