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Arduino

Let’s Make Arduino LED Holiday Lighting

Device Plus Editorial Team
Published by Device Plus Editorial Team at November 13, 2017
Categories
  • Arduino
Tags
  • Arduino
  • holiday
  • led
arduino led

arduino led

As the holiday season is fast approaching, I thought it would be fun to create a decorative lighting using Arduino and full color LED strip light. These LEDs will not only light up but also glow in multiple different colors to really get you into the holiday spirit!

 

Today’s Electronic Recipe

Estimated time to complete: 60 minutes

Parts needed:

  • Arduino UNO R3
  • WS2811 5M LED Strip 240 SMD 5050

Table of contents

  1. Intro to LED strip light
  2. How to connect and wire LED strips
  3. Let’s light up!

1. Intro to LED strip light

A LED strip light (or also known as LED tape) is a bit different from the ordinary LEDs. Basically, a number of LEDs are connected to a strip or a tape. The ones usually on sale measure from approximately 30cm to 5m long.

arduino led

Figure 1. LED strip light

There are two types of LED strip lights. The first type consists of a strip light in which all the LEDs on the tape have synchronized on/off. The other type has a control IC that can individually control the LEDs on the strip one by one according to the input signal. Although the former has more LEDs, basically there are only positive and negative terminals like ordinary LEDs. As for the latter LED strip, there are positive and negative terminals as shown in Figure 3 below, and a total of 4 and 5 terminals including signals are generally used.

In addition, as a feature of the LED tape, we can adjust the length by cutting the yellow dotted line shown in Figure 2. (If we cut off other parts, however, it will be impossible to connect positive and negative terminals, etc.)

arduino led

Figure 2. Specification of full color LED strip

 

arduino led

Figure 3.  Full color LED strip terminal

 

There are many types of LED tapes, besides the one shown in Figure 1. If you search online you’ll come across different variations of LED strip lights.

arduino led

Figure 4. A LED string

This time, we’ll be using a LED string shown in Figure 4.

1 2 3
Device Plus Editorial Team
Device Plus Editorial Team
Device Plus is for everyone who loves electronics and mechatronics.

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