Interfacing Arduino UNO with SURE Electronics LED Dot Matrix

This tutorial shows you an easier way to control an LED dot Matrix from an Arduino board.

Jun 15, 2016

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interfacing

Components and supplies

3208 LED Matrix

Arduino UNO

Project description

Code

Code snippet #1

arduino

1#include "ht1632c.h"
2#include "font1.h"
3#include <Wire.h>
4#include  <avr/pgmspace.h>
5
6int i = 0;
7int wd;
8
9void setup () {
10  // Setup  and begin the matrix
11  // HT1632.begin(CS1,WR,DATA)
12  HT1632.begin( 9, 10,  11);
13  
14  // Give the width, in columns, of the assigned string
15  // FONT_5x4_WIDTH  and FONT_5x4_HEIGHT are parameter specified in the "font_5x4.h" file
16  wd =  HT1632.getTextWidth("Hello, how are you?", FONT_5X4_WIDTH, FONT_5X4_HEIGHT);
17}
18
19void  loop () {
20  
21  // Font rendering example
22  HT1632.drawTarget(BUFFER_BOARD(1));
23  HT1632.clear();
24  HT1632.drawText("Hello, how are you?", 2*OUT_SIZE - i,  2, FONT_5X4, FONT_5X4_WIDTH, FONT_5X4_HEIGHT, FONT_5X4_STEP_GLYPH);
25  HT1632.render();  
26  
27  i = (i+1)%(wd + OUT_SIZE * 2);  
28  delay(200);
29}
30

#include "ht1632c.h"
#include "font1.h"
#include <Wire.h>
#include  <avr/pgmspace.h>

int i = 0;
int wd;

void setup () {
  // Setup  and begin the matrix
  // HT1632.begin(CS1,WR,DATA)
  HT1632.begin( 9, 10,  11);
  
  // Give the width, in columns, of the assigned string
  // FONT_5x4_WIDTH  and FONT_5x4_HEIGHT are parameter specified in the "font_5x4.h" file
  wd =  HT1632.getTextWidth("Hello, how are you?", FONT_5X4_WIDTH, FONT_5X4_HEIGHT);
}

void  loop () {
  
  // Font rendering example
  HT1632.drawTarget(BUFFER_BOARD(1));
  HT1632.clear();
  HT1632.drawText("Hello, how are you?", 2*OUT_SIZE - i,  2, FONT_5X4, FONT_5X4_WIDTH, FONT_5X4_HEIGHT, FONT_5X4_STEP_GLYPH);
  HT1632.render();  
  
  i = (i+1)%(wd + OUT_SIZE * 2);  
  delay(200);
}

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