Difference between revisions of "LED Bar"

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==Introduction==
 +
This is a LED bar with Linker kit standard connection.
 +
 
[[File:LED bar.jpg]]
 
[[File:LED bar.jpg]]
 +
 +
== Features ==
 +
 +
Dimensions: 44.1×24.2×11.5mm
 +
 +
Net weight: 5.7g
 +
 +
== Dimension ==
 +
 +
[[File:led bar dimension.jpg]]
 +
 +
== Schematics ==
 +
*[https://s3.amazonaws.com/linksprite/LinkerKit/LED+Bar.pdf Schematics]
 +
 +
==Application Ideas==
 +
 +
<syntaxhighlight lang="c">
 +
 +
#define PORT_Data PORTB
 +
#define PORT_Clk  PORTB
 +
 +
#define DATA_Pin 8  //DATA IN
 +
#define CLK_Pin 9  //CLK IN
 +
 +
#define BIT_Data  0x01
 +
#define BIT_Clk  0x02
 +
 +
#define CmdMode 0x0000  //Work on 8-bit mode
 +
#define ON 0x00ff  //8-bit 1 data
 +
#define SHUT 0x0000  //8-bit 0 data
 +
 +
//Send 16_bit data
 +
void send16bitData(unsigned int data)
 +
{
 +
  for(unsigned char i=0;i<16;i++)
 +
    {
 +
        if(data&0x8000)
 +
        {
 +
            PORT_Data |= BIT_Data;
 +
        }
 +
        else
 +
        {
 +
            PORT_Data &=~ BIT_Data;
 +
        }
 +
 +
        PORT_Clk ^= BIT_Clk;
 +
        data <<= 1;
 +
    }
 +
}
 +
 +
//latch routine for MY9221 data exchange
 +
void latchData(void)
 +
{
 +
    PORT_Data &=~ BIT_Data;
 +
    delayMicroseconds(10);
 +
    for(unsigned char i=0;i<8;i++)
 +
    {
 +
        PORT_Data ^= BIT_Data;
 +
    }
 +
}
 +
 +
//Initializing pins
 +
void setup()
 +
{
 +
  pinMode(DATA_Pin,OUTPUT);  //Data pin
 +
  pinMode(CLK_Pin,OUTPUT);  //CLK pin
 +
}
 +
 +
//Send 12 road led brightness data
 +
void sendLED(unsigned int LEDstate)
 +
{
 +
  unsigned char i;
 +
  for(i=0;i<12;i++)
 +
  {
 +
    if(LEDstate&0x0001)
 +
      send16bitData(ON);
 +
    else
 +
      send16bitData(SHUT);
 +
//    if(i!=11)
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      LEDstate=LEDstate>>1;
 +
  }
 +
}
 +
 +
//If you want turn on the first red led,you can do it like this: sendLED(0x0001);
 +
//The second led: sendLED(0x0002);
 +
void loop()
 +
{
 +
  unsigned int i=0x0000;
 +
  while(i<=0x03ff)
 +
  {
 +
    send16bitData(CmdMode);  //set first LED Bar mode
 +
    sendLED(i);  //send first LED Bar data
 +
    send16bitData(CmdMode);  //set second LED Bar mode,if you do not use two LED Bar work together(connect one by one),you can delete this line.
 +
    sendLED(i);  //send second LED Bar data,if you do not use two LED Bar work together(connect one by one),you can delete this line.
 +
    latchData();  //make it come into effect
 +
    i=i*2+1;
 +
  delay(100);
 +
  }
 +
}
 +
</syntaxhighlight>
 +
 +
[[File:LED Bar link.jpg]]
 +
 +
== Sample Code ==
 +
*[https://s3.amazonaws.com/linksprite/LinkerKit/LED_Bar_Demo_code_for_Arduino_1_0.ino Sample code]
 +
 +
==How to buy==
 +
Here to buy LED Bar on [http://store.linksprite.com/led-bar-module-of-linker-kit-for-pcduino-arduino/ store]

Latest revision as of 07:01, 12 June 2014

Introduction

This is a LED bar with Linker kit standard connection.

LED bar.jpg

Features

Dimensions: 44.1×24.2×11.5mm

Net weight: 5.7g

Dimension

Led bar dimension.jpg

Schematics

Application Ideas

<syntaxhighlight lang="c">

  1. define PORT_Data PORTB
  2. define PORT_Clk PORTB
  1. define DATA_Pin 8 //DATA IN
  2. define CLK_Pin 9 //CLK IN
  1. define BIT_Data 0x01
  2. define BIT_Clk 0x02
  1. define CmdMode 0x0000 //Work on 8-bit mode
  2. define ON 0x00ff //8-bit 1 data
  3. define SHUT 0x0000 //8-bit 0 data

//Send 16_bit data void send16bitData(unsigned int data) { 

 for(unsigned char i=0;i<16;i++)
   {
       if(data&0x8000)
       {
           PORT_Data |= BIT_Data;
       }
       else
       {
           PORT_Data &=~ BIT_Data;
       }

       PORT_Clk ^= BIT_Clk;
       data <<= 1;
   }

}

//latch routine for MY9221 data exchange void latchData(void) { 

   PORT_Data &=~ BIT_Data;
   delayMicroseconds(10);
   for(unsigned char i=0;i<8;i++)
   {
       PORT_Data ^= BIT_Data;
   }

}

//Initializing pins void setup() { 

 pinMode(DATA_Pin,OUTPUT);  //Data pin
 pinMode(CLK_Pin,OUTPUT);  //CLK pin

}

//Send 12 road led brightness data void sendLED(unsigned int LEDstate) { 

 unsigned char i;
 for(i=0;i<12;i++)
 {
   if(LEDstate&0x0001)
     send16bitData(ON);
   else 
     send16bitData(SHUT);

// if(i!=11) 

     LEDstate=LEDstate>>1;
 }

}

//If you want turn on the first red led,you can do it like this: sendLED(0x0001); //The second led: sendLED(0x0002); void loop() { 

 unsigned int i=0x0000;
 while(i<=0x03ff)
 {
   send16bitData(CmdMode);  //set first LED Bar mode
   sendLED(i);  //send first LED Bar data
   send16bitData(CmdMode);  //set second LED Bar mode,if you do not use two LED Bar work together(connect one by one),you can delete this line.
   sendLED(i);  //send second LED Bar data,if you do not use two LED Bar work together(connect one by one),you can delete this line.
   latchData();  //make it come into effect
   i=i*2+1;
  delay(100); 
 }

} </syntaxhighlight>

LED Bar link.jpg

Sample Code

How to buy

Here to buy LED Bar on store

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