LED_String_Lights__Colorful__SKU__DFR0439-DFRobot

Introduction

These LED string lights are composed of a series of LEDs that have a colorful glow. They can be used as decorations and for other interesting applications. Use them as outdoor string lights, string lights in your bedroom, on your patio or on a globe. There are many applications, what can you think of?

Note: Use the provided adapter to power the string to avoid risk of damage.

Specification

• Operating Voltage: 2.5 - 5V (5V Recommended)
• LED Length: 4 meters / 40 LEDs
• Adapter Board Dimensions: 30 x 22 mm / 1.18 x 0.86 "

Board Overview

Tutorial

In this section, we'll tell you how to use the LED module

Requirements

• Hardware

  • DFRduino UNO (or similar) x 1
  • LED String x 1
  • M-M/F-M/F-F Jumper wires

• Software

  • Arduino IDE

Connection Diagram

Sample Code

/***************************************************
* LED String Lights
* ****************************************************
*  Control a String Light to fade in and out

* @author Dongzi(1185787528@qq.com)
* @version  V1.0
* @date  2016-5-26
* All above must be included in any redistribution
* ****************************************************/
int t;
#define  Light_string  3
void setup() {

  pinMode( Light_string, OUTPUT);
}
void loop() {

  for(t=5;t<255;t++ ) // turn the Light string on (HIGH is the voltage level) little and little.
  {
    analogWrite( Light_string, t);
    delay(10);
  }

  if(t>=255)         // turn the Light string off (HIGH is the voltage level) little and little.
  {
    for(t==255;t>5;t--)
    {
      analogWrite( Light_string, t);
      delay(10);
    }
  }
}

FAQ

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Schematic Layout