“8*8点阵模块”的版本间的差异

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第6行： 第6行：
 
=== 产品简介 ===
 
=== 产品简介 ===
 
<br>
 
<br>
−
8*8点阵模块是
+
8*8点阵模块是 采用2片74HC595芯片驱动红色8X8点阵管，只需要使用控制器3路IO口，根据点阵管动态扫描原理进行显示，可以显示多种图案。
  
  
第14行： 第14行：
 
*供电电压：DC5V
 
*供电电压：DC5V
 
*使用芯片：74HC595
 
*使用芯片：74HC595
−
*模块尺寸 ：28*23*7.3MM （长*宽*高）
+
*模块尺寸 ：32.5*32.5*14.7MM （长*宽*高）
−
*模块重量 ：3.3g
+
*模块重量 ：10.6g
  
  
第43行： 第43行：
 
<br>
 
<br>
 
<pre >
 
<pre >
 +
/**************************************************
 +
* Face
 +
* ( 8x8 Led Dot Matrix with two 74HC595 on Arduino)
 +
*
 +
* by YFROBOT
 +
***************************************************/
 +
 +
#include "TimerOne.h"
 +
 +
#define ROW_DATA ((row[0]<<7)|(row[1]<<6)|(row[2]<<5)|(row[3]<<4)|(row[4]<<3)|(row[5]<<2)|(row[6]<<1)|(row[7]<<0))
 +
#define COL_DATA ((col[0]<<7)|(col[1]<<6)|(col[2]<<5)|(col[3]<<4)|(col[4]<<3)|(col[5]<<2)|(col[6]<<1)|(col[7]<<0))
 +
 +
//Pin connected to DS of 74HC595
 +
int SER = 10;
 +
//Pin connected to ST_CP of 74HC595
 +
int RCK  = 11;
 +
//Pin connected to SH_CP of 74HC595
 +
int SRCK  = 12;
 +
int row[8]={
 +
  0, 0, 0, 0, 0, 0, 0, 0};
 +
int col[8]={
 +
  0, 0, 0, 0, 0, 0, 0, 0};
 +
byte screen[8] = {
 +
  0, 0, 0, 0, 0, 0, 0, 0};
 +
volatile byte screenRow = 0;
 +
volatile byte screenCol = 0;
 +
 +
void setup() {
 +
  Timer1.initialize(100);
 +
  pinMode(RCK, OUTPUT);
 +
  pinMode(SRCK, OUTPUT);
 +
  pinMode(SER, OUTPUT);
 +
  Timer1.attachInterrupt(doubleBuffer);
 +
  Serial.begin(9600);
 +
 +
}
 +
 +
void doubleBuffer() {
 +
  row[screenRow]=0;
 +
  col[screenCol]=1; 
 +
 +
  screenCol++;
 +
  if (screenCol >= 8) {
 +
    screenCol = 0;
 +
    screenRow++;
 +
    if (screenRow >= 8) {
 +
      screenRow = 0;
 +
    }
 +
  }
 +
  if((screen[screenRow] >> screenCol) & B1 == B1) {
 +
    row[screenRow]=1;
 +
    col[screenCol]=0;
 +
    digitalWrite(RCK,LOW);
 +
    shiftOut(COL_DATA);
 +
    shiftOut(ROW_DATA);
 +
    digitalWrite(RCK,HIGH);
 +
  }
 +
}
 +
 +
void allOFF() {
 +
  for (int i = 0; i < 8; i++)
 +
    screen[i] = B00000000;
 +
}
 +
 +
void allON() {
 +
  for (int i = 0; i < 8; i++)
 +
    screen[i] = B11111111;
 +
}
 +
void on(byte row, byte column) {
 +
  screen[column-1] |= (B1 << (row - 1));
 +
}
 +
 +
void off(byte row, byte column) {
 +
  screen[column-1] &= ~(B1 << (row - 1));
 +
}
 +
 +
void loop() {
 +
  smile();
 +
  allOFF();
 +
  lol();
 +
  allOFF();
 +
}
 +
 +
void smile()
 +
{
 +
  on(1, 1);on(1, 2);on(1, 7);on(1, 8);
 +
  on(2, 1);on(2, 2);on(2, 7);on(2, 8);
 +
  on(4, 4);on(4, 5);on(5, 4);on(5, 5);
 +
  on(7, 2);on(7, 7);
 +
  on(8, 3);on(8, 4);on(8, 5);on(8, 6);
 +
  delay(1000);
 +
}
 +
void lol()
 +
{
 +
  on(1,1);on(1,2);on(1,3);on(1,4);on(1,5);on(1,6);on(1,7);on(1,8);
 +
  on(2,1);on(2,3);on(2,6);on(2,8);
 +
  on(3,1);on(3,2);on(3,7);on(3,8);
 +
  on(4,1);on(4,8);
 +
  on(5,1);on(5,3);on(5,4);on(5,5);on(5,6);on(5,8);
 +
  on(6,1);on(6,3);on(6,6);on(6,8);
 +
  on(7,1);on(7,3);on(7,6);on(7,8);
 +
  on(8,1);on(8,2);on(8,3);on(8,4);on(8,5);on(8,6);on(8,7);on(8,8);
 +
  delay(1000);
 +
}
 +
 +
//shift function
 +
void shiftOut(byte myDataOut) {
 +
  //internal function setup
 +
  boolean pinState;
 +
 +
  //clear shift register read for sending data
 +
  digitalWrite(RCK, LOW);
 +
  // for each bit in dataOut send out a bit
 +
  for (int i = 0; i <= 7; i++)  {
 +
    //set clockPin to LOW prior to sending bit
 +
    digitalWrite(SRCK, LOW);
 +
    /*if the value of DataOut and (logical AND) a bitmask
 +
    are true, set pinState to 1 (HIGH)*/
 +
    if ( myDataOut & (1<<i) ) {
 +
      pinState= HIGH;
 +
    }
 +
    else {   
 +
      pinState= LOW;
 +
    }
 +
    //Sets the pin to HIGH or LOW depending on pinState
 +
    digitalWrite(SER, pinState);
 +
    //send bit out on rising edge of clock
 +
    digitalWrite(SRCK, HIGH);
 +
    digitalWrite(SER, LOW);
 +
  }
 +
  //stop shifting
 +
  digitalWrite(SRCK, LOW);
 +
}
  
 
</pre>
 
</pre>

2015年10月9日 (五) 17:45的版本

生成缩略图出错：文件可能丢失：
点阵模块


产品简介


8*8点阵模块是采用2片74HC595芯片驱动红色8X8点阵管，只需要使用控制器3路IO口，根据点阵管动态扫描原理进行显示，可以显示多种图案。


规格参数


  • 供电电压：DC5V
  • 使用芯片：74HC595
  • 模块尺寸：32.5*32.5*14.7MM（长*宽*高）
  • 模块重量：10.6g


引脚说明


  • 1. VCC -- Vcc(电源+5V）
  • 2. GND -- Gnd(地)
  • 3. SER -- 串行移位输入
  • 4. RCK -- 存储寄存器的时序输入
  • 5. SRCK -- 移位寄存器的时序输入


应用示例


电路连接示意图

点阵模块的 VCC,GND,SER,RCK,SRCK 分别连接 Arduino UNO的VCC(+5V)、GND、D10、D11、D12引脚。



示例代码

示例一：基本显示 

/**************************************************
 * Face 
 * ( 8x8 Led Dot Matrix with two 74HC595 on Arduino)
 * 
 * by YFROBOT 
 ***************************************************/

#include "TimerOne.h"

#define ROW_DATA ((row[0]<<7)|(row[1]<<6)|(row[2]<<5)|(row[3]<<4)|(row[4]<<3)|(row[5]<<2)|(row[6]<<1)|(row[7]<<0))
#define COL_DATA ((col[0]<<7)|(col[1]<<6)|(col[2]<<5)|(col[3]<<4)|(col[4]<<3)|(col[5]<<2)|(col[6]<<1)|(col[7]<<0))

//Pin connected to DS of 74HC595
int SER = 10;
//Pin connected to ST_CP of 74HC595
int RCK  = 11;
//Pin connected to SH_CP of 74HC595
int SRCK  = 12;
int row[8]={
  0, 0, 0, 0, 0, 0, 0, 0};
int col[8]={
  0, 0, 0, 0, 0, 0, 0, 0};
byte screen[8] = {
  0, 0, 0, 0, 0, 0, 0, 0};
volatile byte screenRow = 0;
volatile byte screenCol = 0;

void setup() {
  Timer1.initialize(100);
  pinMode(RCK, OUTPUT);
  pinMode(SRCK, OUTPUT);
  pinMode(SER, OUTPUT);
  Timer1.attachInterrupt(doubleBuffer);
  Serial.begin(9600);

}

void doubleBuffer() {
  row[screenRow]=0;
  col[screenCol]=1;  

  screenCol++;
  if (screenCol >= 8) {
    screenCol = 0;
    screenRow++;
    if (screenRow >= 8) {
      screenRow = 0;
    }
  }
  if((screen[screenRow] >> screenCol) & B1 == B1) {
    row[screenRow]=1;
    col[screenCol]=0;
    digitalWrite(RCK,LOW);
    shiftOut(COL_DATA);
    shiftOut(ROW_DATA);
    digitalWrite(RCK,HIGH);
  } 
}

void allOFF() {
  for (int i = 0; i < 8; i++)
    screen[i] = B00000000;
}

void allON() {
  for (int i = 0; i < 8; i++)
    screen[i] = B11111111;
}
void on(byte row, byte column) {
  screen[column-1] |= (B1 << (row - 1));
}

void off(byte row, byte column) {
  screen[column-1] &= ~(B1 << (row - 1));
}

void loop() {
  smile();
  allOFF();
  lol();
  allOFF();
}

void smile()
{
  on(1, 1);on(1, 2);on(1, 7);on(1, 8);
  on(2, 1);on(2, 2);on(2, 7);on(2, 8);
  on(4, 4);on(4, 5);on(5, 4);on(5, 5);
  on(7, 2);on(7, 7);
  on(8, 3);on(8, 4);on(8, 5);on(8, 6);
  delay(1000);
}
void lol()
{
  on(1,1);on(1,2);on(1,3);on(1,4);on(1,5);on(1,6);on(1,7);on(1,8);
  on(2,1);on(2,3);on(2,6);on(2,8);
  on(3,1);on(3,2);on(3,7);on(3,8);
  on(4,1);on(4,8);
  on(5,1);on(5,3);on(5,4);on(5,5);on(5,6);on(5,8);
  on(6,1);on(6,3);on(6,6);on(6,8);
  on(7,1);on(7,3);on(7,6);on(7,8);
  on(8,1);on(8,2);on(8,3);on(8,4);on(8,5);on(8,6);on(8,7);on(8,8);
  delay(1000);
}

//shift function
void shiftOut(byte myDataOut) {
  //internal function setup
  boolean pinState;

  //clear shift register read for sending data
  digitalWrite(RCK, LOW);
  // for each bit in dataOut send out a bit
  for (int i = 0; i <= 7; i++)  {
    //set clockPin to LOW prior to sending bit
    digitalWrite(SRCK, LOW);
    /*if the value of DataOut and (logical AND) a bitmask
     are true, set pinState to 1 (HIGH)*/
    if ( myDataOut & (1<<i) ) {
      pinState= HIGH;
    }
    else {     
      pinState= LOW;
    }
    //Sets the pin to HIGH or LOW depending on pinState
    digitalWrite(SER, pinState);
    //send bit out on rising edge of clock
    digitalWrite(SRCK, HIGH);
    digitalWrite(SER, LOW);
  }
  //stop shifting
  digitalWrite(SRCK, LOW);
}

程序下载地址：[ flameAlarm]

程序运行结果：


示例代码

示例二：滚屏显示

程序下载地址：[ flameAlarm]

程序运行结果：


示例代码

示例三：乒乓游戏

程序下载地址：[ flameAlarm]

程序运行结果：



参考资料




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