C++ ESP32 LED Matrix

Mit diesem Programm wird eine LED-Matrix über den I2C-Bus angesteuert. Die zwei mal 8x8 LED-Matrix verfügt über zwei mal 64 LEDs die einzeln aktiviert werden können.

Hardware

Die Hardware für die LED Matrix

• 1 x ESP32 V1
• 1 x LED-Matrix mit HT16K33 chip
• I2C Adresse: 0x71

Programm

C++ ESP32 LED-Matrix

/*************************************************************************************************
                                      PROGRAMMINFO
**************************************************************************************************
Funktion: ESP32 LED Matrix Test
**************************************************************************************************
Version: 15.01.2022
**************************************************************************************************
Board: ESP32vn IoT UNO V1.0.4

**************************************************************************************************
C++ Arduino IDE V1.8.13
**************************************************************************************************
Einstellungen:
https://dl.espressif.com/dl/package_esp32_index.json
http://dan.drown.org/stm32duino/package_STM32duino_index.json
https://raw.githubusercontent.com/espressif/arduino-esp32/gh-pages/package_esp32_dev_index.json
**************************************************************************************************
Librarys
- Freenove_VK16K33_Lib_For_ESP32.h
**************************************************************************************************
**************************************************************************************************/

#include "Freenove_VK16K33_Lib_For_ESP32.h"

 #define EMOTION_ADDRESS 0x71
 #define EMOTION_SDA 21
 #define EMOTION_SCL 22

Freenove_ESP32_VK16K33 matrix = Freenove_ESP32_VK16K33();
byte x_array[][8] = {//Put the data into the left LED matrix
 //////////////////////////////////////////////
 0x00, 0x18, 0x24, 0x42, 0x42, 0x24, 0x18, 0x00,
 0x00, 0x18, 0x24, 0x5A, 0x5A, 0x24, 0x18, 0x00,
 //////////////////////////////////////////////
};

byte y_array[][8] = {//Put the data into the right LED matrix
 //////////////////////////////////////////////
 0x00, 0x18, 0x24, 0x42, 0x42, 0x24, 0x18, 0x00,
 0x00, 0x18, 0x24, 0x5A, 0x5A, 0x24, 0x18, 0x00,
 /////////////////////////////////////////////////
 };

 void setup()
 {
 matrix.init(EMOTION_ADDRESS, EMOTION_SDA, EMOTION_SCL);
 matrix.setBlink(VK16K33_BLINK_OFF);
}
 void loop()
 {
 int count = sizeof(x_array) / sizeof(x_array[0]);
 for (int i = 0; i < count; i++)
 {
 matrix.showStaticArray(x_array[i], y_array[i]);
 delay(500);
}
}

RAW code

LED-Matrix:

HEX-Code erstellen mit Processing:

HEX-Code Beispiel:

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