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WS2818 LED Strip

The WS2818 LED strip is a LED addressable rope light that uses an external WS2818 IC to drive every 3 or 6 LEDs. With precise control of each group of LEDs, the WS2818 LED tape light allows for dynamic and customizable lighting effects. The WS2818 IC is integrated into the LED strip, and uses a serial protocol to communicate with a micro-controller or other programmable device. 

The WS2818 IC also includes the IC reset function, which ensures more stable and reliable performance by preventing data transmission errors and signal interference. The WS2818 tape light is powered using a DC power supply and can be programmed using a variety of programming languages, making it a versatile and exciting lighting option for a wide range of applications.

WS2818 RGB LED Strip Models

ItemVoltagePowerPixel QuantityLED QuantityCutting UnitBreak ContinuePCB Width
STE-TTL-4PIN-RGB-60-12VDC12V14.4W/M20 pixels/m60 LEDs/m50mmYes10mm
STE-TTL-4PIN-RGB-60-24VDC24V14.4W/M10 pixels/m60 LEDs/m100mmYes10mm
STE-TTL-4PIN-RGB-72-12VDC12V17.2W/M24 pixels/m72 LEDs/m41.6mmYes8mm
STE-TTL-4PIN-RGB-72-24VDC24V17.2W/M12 pixels/m72 LEDs/m83.3mmYes8mm

Product Features

  1. Signal Backup Function: The WS2818 is designed to have dual signal lines, which act as a backup in case one signal line fails. This feature enhances the reliability of the strip.

  2. High-Speed Data Transfer: WS2818 strip lights can handle faster data transfer speeds than the WS2812, resulting in smoother animations and less latency.

LED Strip Accessories

Cable Connectors

Applications of WS2818 Pixel LED Strip

Due to their versatility, WS2818 addressable LED strips are used in various applications such as:

  1. Home Decoration: WS2818 tape light can be used to create stunning accent lighting, under-cabinet lighting, or even outdoor lights for pathways and patios.

  2. Commercial Lighting: These LED strips are ideal for creating eye-catching displays, signage, and architectural highlights in retail, hospitality, and other commercial environments.

  3. Event and Stage Lighting: These digital LED strips can be used to create dazzling light shows, stage effects, and interactive installations at concerts, festivals, and other live events.

FAQ about WS2818 LED strip

  1. What is the maximum length of a WS2818 LED tape light I can use without experiencing signal degradation?

    The maximum length depends on the data signal quality and the microcontroller used. Typically, a 5-meter strip with 60 LEDs per meter works well. However, longer strips may require additional power injection points and repeaters to maintain signal quality.

  2. Can I cut the WS2818 strip light and rejoin the pieces?

    Yes, you can cut the WS2818 strip light at designated cutting points (usually marked by a scissor icon). To rejoin the pieces, you can either use soldering, connectors, or adhesive tape, depending on your requirements.

  3. Are digital WS2818 LED lights waterproof?

    Digital WS2818 LED lights come in various waterproof ratings, typically IP20 (non-waterproof), IP65 (splash-proof), and IP67 (submersible). Choose the appropriate rating based on your intended application.

  4. Do I need a specific controller for the WS2818 LED strip?

    WS2818 LED strips can be controlled using various microcontrollers, such as ArduinoRaspberry Pi, or dedicated LED strip controllers. Ensure that the controller you choose is compatible with the WS2818 and can handle the required data transfer speeds.

  5. Can I use a WS2812 controller to control a WS2818 addressable LED strip?

    Although the WS2818 and WS2812 share similarities, their differences in data transfer speed and signal reliability may cause compatibility issues. It is recommended to use a controller specifically designed for the WS2818 addressable LED strip to ensure proper functionality.

WS2818 VS WS2812 RGB LED Strip

Table of Contents

Introduction to WS2818 LED Strip

WS2818 programmable strip is a revolutionary upgrade of the well-known WS2812, offering greater flexibility and control in creating vibrant, colorful, and dynamic lighting projects. These addressable RGB LED strips allow users to create complex lighting patterns, animations, and effects through their unique features and capabilities. In this article, we’ll dive into the world of WS2818 LED strips and explore their features, applications, and how they compare to their predecessor, the WS2812.

WS2818 vs. WS2812: What's the Difference?

The main differences between the WS2818 and WS2812 LED strips lie in the following areas:

  1. Signal Reliability: The WS2818 has a dual signal line feature and a breakpoint-continuation function that enhances its reliability, ensuring the strip continues working even if a single LED or signal line fails.

  2. Power Consumption: The WS2818 consumes slightly less power than the WS2812, making it a more energy-efficient option for larger installations.

  3. Data Transfer Speed: The WS2818 can handle faster data transfer rates compared to the WS2812, resulting in smoother animations and reduced latency.

How to Install and Control WS2818 LED Strips

Installing and controlling WS2818 digital strips involve the following steps:

  1. Choosing the Right Power Supply: Ensure you have an appropriate power supply capable of handling the total current draw of your LED strip.

  2. Connecting the LED Strip: Connect the LED strip to the power supply and the data signal to a compatible controller, such as an Arduino or Raspberry Pi.

  3. Controlling the LED Strip with a controller: Use a microcontroller to send commands to the LED strip, specifying the desired color, brightness, and animation for each pixel.

Troubleshooting Common Issues

Like any electronic device, the WS2818 LED strip can sometimes experience issues that need troubleshooting. Here are some common issues you may encounter with WS2818 LED strips and how to troubleshoot them:

• Physical damage: If your WS2818 LED strip is physically damaged, it may not function properly. Check for any visible damage to the strip or individual LEDs, and replace any damaged components as necessary.

• Voltage drop: If your WS2818 LED strip is experiencing voltage drop, it may be due to the length of the strip or inadequate power supply. Check to ensure that the power supply is providing sufficient voltage and current output for the length of the strip, and consider adding additional power supplies or using a power injection technique to maintain the correct voltage.

• Overheating: If your WS2818 LED strip is overheating, it can damage the LEDs and reduce their lifespan. Check to ensure that the LED strip is not exposed to excessive heat, and use a heat sink or cooling fan to keep them cool if necessary.

• Flickering or flashing LED strip: If your WS2818 LED strip is flickering or flashing, the issue may be with the power supply or the programming code. Check the power supply and ensure that it is providing the correct voltage and current output. You can also check the programming code to ensure that it is sending the correct data to each LED.

• Color issues: If the colors on your WS2818 LED strip are not displaying correctly, the issue may be with the programming code. Check the programming code to ensure that it is sending the correct data to each LED. You can also check the wiring connections and ensure that they are properly connected and secure.


The WS2818 LED strip offers a significant upgrade over the WS2812 in terms of signal reliability, power consumption, and data transfer speed. Its unique features and capabilities make it perfect for a wide range of applications, from home decoration to commercial and event lighting. With proper installation and control, you can create stunning lighting effects that will captivate and impress. Now that you’re equipped with the knowledge of WS2818 LED strips, it’s time to bring your creative lighting ideas to life!

Why Choose SunTechLite

Located in Shenzhen, SunTechLite is one of the leading LED strip manufacturers in China. After 15 years of development, we have developed into a company integrating production and trade, and have won the trust and support of customers from all over the world with high-quality products and high-quality services.

SunTechLite uses high-quality materials and components to produce LED strips, ensuring our products are durable and reliable, and can be subject to harsh environments. And we test all products before shipping goods out to ensure that all LED strips are safe and reliable and meet standards and specifications.

We have a specialized engineering team to offer technical support and assistance with the installation and programming of the LED strips. And you can feel free to contact us if any questions in the using process.

All the LED strip lights provided at least 3 years warranty, and 5 years warranty is available.