Freenove VK16K33 Lib

Description

This is a Arduino library for Freenove VK16K33 Lib.
It can be used to control a VK16K33 driven LED lattice module consisting of two 8*8 LED lattice modules.
It uses I2C or UART to communicate with Arduino. So you can easily control LED lattice module through it.
And you can add it to almost all your Arduino projects without affecting them. Make your work look cool!

Examples:

Here are some simple examples.

01.breathe

In this example, you can change the array to display the LED Matrix. Call setBrightness to set the LED Matrix brightness.

#include "Freenove_VK16K33_Lib.h"

Freenove_VK16K33 matrix = Freenove_VK16K33();

//The brightness values can be set from 1 to 15, with 1 darkest and 15 brightest
#define  A  15

byte arrow[8][8] =
{
  {0, 0, 0, A, A, 0, 0, 0},
  {0, 0, A, A, A, A, 0, 0},
  {0, A, 0, A, A, 0, A, 0},
  {0, 0, 0, A, A, 0, 0, 0},
  {0, 0, 0, A, A, 0, 0, 0},
  {0, 0, 0, A, A, 0, 0, 0},
  {0, 0, 0, A, A, 0, 0, 0},
  {0, 0, 0, A, A, 0, 0, 0},
};

void setup()
{
  matrix.init(0x71);               //Initialize matrix
  matrix.showLedMatrix(arrow,4,0);
  matrix.show();
}

void loop()
{
  for (int i = 0; i <= 15; i++)
  {
    matrix.setBrightness(i);
    delay(100);
  }
  for (int i = 15; i > 0; i--)
  {
    matrix.setBrightness(i);
    delay(100);
  }
}

04.examples

In this example, you can change the array to display the LED Matrix. Call setBrightness to set the LED Matrix brightness.

#include "Freenove_VK16K33_Lib.h"

Freenove_VK16K33 matrix = Freenove_VK16K33();

byte x_array[][8] = {//Put the data into the left LED matrix
  //////////////////////////////////////////////
  0x00, 0x3C, 0x7E, 0x66, 0x66, 0x7E, 0x3C, 0x00,
  0x00, 0x3C, 0x7E, 0x7E, 0x7E, 0x7E, 0x3C, 0x00,
  //////////////////////////////////////////////
};

byte y_array[][8] = {//Put the data into the right LED matrix
  //////////////////////////////////////////////
  0x00, 0x3C, 0x7E, 0x66, 0x66, 0x7E, 0x3C, 0x00,
  0x00, 0x3C, 0x7E, 0x7E, 0x7E, 0x7E, 0x3C, 0x00,
  /////////////////////////////////////////////////
};

void setup()
{
  matrix.init(0x71);
  matrix.setBlink(VK16K33_BLINK_OFF);
}

void loop()
{
  showArray(500);
}


void showArray(int delay_ms)
{
  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(delay_ms);
  }
}

Usage

Freenove_VK16K33 matrix = Freenove_VK16K33();

• Construction. Create a Controller object. It is driven by IIC.

matrix.init(0x71); 

• Communicate with the controller and set the IIC address to 0x71.

  matrix.showLedMatrix(arrow,4,0);

• Sends the array data to the LED matrix and moves 4 Spaces to the right.
  • arrow: It's an 8 by 8 two-dimensional array.
  • x: Moves the two-dimensional array data as a whole x Spaces to the right.
  • y: Moves the two-dimensional array data as a whole y space to the following.

  matrix.show();

• Immediately display the arrow data that has been sent.

  matrix.setBlink(VK16K33_BLINK_OFF);

• Sets whether the LED matrix Blink.
  • VK16K33_BLINK_OFF
  • VK16K33_BLINK_1HZ
  • VK16K33_BLINK_2HZ
  • VK16K33_BLINK_0HZ5