LED Strip Blog
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There are two main types of addressable LEDs: those with 3-pin connectors and those with 4-pin connectors. The 3-pin strips use a common anode design, while the 4-pin strips use a common cathode design. Addressable LED strips typically use one of two control protocols: WS2811/WS2812 (also known as a neuron) or DMX512 Addressable LED Strip Light are classified according to IC types. Commonly used ones include WS2801, WS2811, WS2812, TLS3001, TM1803, TM1804, TM1809, TM1812, LPD8806, LPD6803, TM1903, DMX512 and other IC control methods to achieve changes. The light strips are available in 5V and 12V divided; 1 light of the 5V LED Strip Light represents one pixel, and 3 lights of the 12V LED Strip Light represents one pixel;
We all know that LED light strips are composed of multiple groups of lamp beads, which are LED light-emitting combinations of different shapes. It has the characteristics of long life, energy saving and environmental protection, and is deeply loved by modern decorators. Light strips are divided into many types: single-color light strips, two-color light strips, magic light strips, etc.
First, let’s first understand what a magic light strip is. As the name suggests, the magic light strip is a colored light strip composed of lamp beads of multiple colors. The controller can be used to achieve changing combinations of different colors, showing different marquee and running light effects. Generally suitable for bars, KTV, stages and other places. The more commonly used magic lights include 5050 light strip, WS2801 light strip, WS2812 light strip, WS2813 light strip, WS2815 light strip and WS2818 light strip. What are the characteristics of these light strips? Let’s introduce them one by one below.
5050 light strip
It is a lamp bead patch with an appearance of 5MM*5MM. It has the characteristics of high brightness, low heat generation, small size, high efficiency and energy saving, and long service life. It uses environmentally friendly soft glue as the packaging material, which has good light transmittance, high temperature resistance and flame retardancy, and is smooth and soft. It can be used in a variety of different environments and is currently a highly used light strip.
WS2801 light strip
This is a programmable WS2801 light strip that supports two driving modes: constant current and constant voltage. It has an output polarity reversal function and is mainly used for LED decorative lighting systems, PWM signal generators, and indoor and outdoor information. display system. The 2-wire transmission control method of WS2801 is specially designed by Shixin Microelectronics for cascadable LED lighting decoration systems. It has the characteristics of fast speed, high reliability, and synchronous grayscale data refresh, which can minimize system costs. Very suitable for use in low-cost LED decorative lighting systems.
WS2812 light strip
This light strip is made of waterproof glue and has the characteristics of waterproof, dustproof, anti-damage, anti-yellowing, and strong flexibility. It is a very cost-effective light strip. Each of its lamp beads is a pixel, and each pixel can be controlled individually. Each pixel can achieve 256X256X256 changes, and can be cut and spliced at any pixel. The back is double-sided. Glue, installation is relatively simple.
WS2813 light strip
This is an intelligent externally controlled LED light source that integrates a control circuit and a light-emitting circuit. Its appearance is the same as that of the 5050LED lamp bead. Each of its lamp bead components is also a pixel, and has the function of anti-reverse connection circuit. It has a unique breakpoint resume function, so that even if a single pixel is damaged, the overall color display will not be affected. Its data transmission speed can reach 800Kbps, and its emitting color is highly consistent. It is a cost-effective light strip.
WS2815 light strip
This is an intelligent externally controlled integrated LED light source light strip. Its control circuit and RGB chip are integrated in a 3535 packaged component to form a complete externally controlled pixel. It uses a 12V power supply voltage, which can reduce the working current of pixels and ensure that pixels achieve good light mixing consistency when transmitted over long distances. Mainly used in LED full-color luminous character string lights, LED guardrail tubes, LED pixel screens and other fields.
Function: The WS2815 light bar is fully compatible with the controller of the 2812 light bar. It has the function of resuming the transmission (a broken pixel will not affect the correct use of other lights), does not affect the overall effect, and the installation power supply will not be reversed. Damage to the lamp. The light strip has small voltage drop, low power consumption and consistent light color display.
Compared with other 5V light strips, the WS2815 full-color 12V light strip displays consistent light color from head to tail, small voltage drop, low power consumption, and has the functions of single-point single control and breakpoint resume transmission. Even if a single pixel is damaged, the overall color display will not be affected.
WS2818 light strip
This is a dedicated circuit for three-channel LED drive control. It uses a high-precision internal oscillator and a 12V high-voltage programmable constant current output driver and a high-precision constant current control module. The chip has a built-in voltage regulator tube. The power supply is only 12V and below. A series resistor needs to be connected to the ICVDD pin, and no external voltage regulator is required. It is basically the same application field as the WS2815 light strip, and is mostly used in LED luminous characters, LED pixel screens and other fields.
The WS2815 light bar was launched in November 2016. It is the first full-color light bar in the industry to have a single point of control and a breakpoint resume function. It has also made a comprehensive upgrade in terms of power supply. We have broken through the single point The traditional method of using only 5V power supply for a single control, the WS2815 magic light strip is powered by 12V, which comprehensively solves the problem of excessive voltage drop of the product. It allows users to make wiring less complicated during the product installation process. At the same time, the product is in 5-10 The head and tail of rice emit light uniformly and are not affected by pressure drop.
LED full-color light strip 5050RGB IC WS2818 Breakpoint resume light strip Low-voltage light strip is safe and reliable. With the WS2818 full-color light strip, there is no need to worry about the light strip being broken. A single broken point will not affect the use of other lights. The refresh rate of WS2818 is as high as 300, and all effects can be easily realized on a small microcontroller. The WS2818 full-color light strip is based on WS2813, and its functions have been fully upgraded and recognized.
1. Control principle: An IC controls three LEDs to form a circuit (a group). The controller controls the circuit in the FPCB by controlling the IC, thereby controlling the LED light bar to produce different effects; such as flashing, chasing, jumping, Clockwise horse racing, counterclockwise horse racing, monochrome horse racing, color-changing horse racing, single-bead chasing from beginning to end, running water, simulated lightning, etc.; the changing effects of this light bar are not limited to the 94 effects built into the current controller, and can be customized according to customer needs , written by yourself; arranged in a screen format, it can display text, letters, pictures, animations, etc.
2. Environmentally friendly and safe: using high-quality high-brightness SMD 5050 LED. It has the characteristics of low power consumption, low heat generation, no glare, and impact resistance. Low voltage DC 5V, 12V power supply, high safety and reliability.
3. The colors are rich and diverse and can be adjusted arbitrarily through the controller according to customer needs.
4. Long life: average lifespan reaches 80,000 hours.
5. Cutting and welding are convenient and free: each group of LEDs can form a circuit, and can be cut and welded along the upper tangent line to meet the various light bar length requirements required by the customer.
6. Soft: Using a soft FPCB board as the base board, it can be docked, bent, cut and fixed on concave and convex surfaces at will.
7. Light and thin: suitable for installation in small spaces.
WS2815 full color light strip product overview
All electronic components are integrated into a 5050 lamp bead and do not require the assistance of any other peripheral electronic components to form a complete externally controlled pixel. At the same time, it reduces defects caused by false soldering during product installation. Serial cascade interface, dual signal line transmission, sci-fi lighting realizes the function of resuming transmission at breakpoints. When a single pixel is damaged, other pixels will not light up normally, and the overall effect will not be affected at all. Intelligent reverse connection protection, if the product is installed and connected to a 5v power supply, it will not cause damage to the lamp post if the connection is reversed. There is a built-in signal shaping circuit. After any pixel receives the signal, it undergoes waveform shaping and then outputs it, ensuring that line waveform distortion will not accumulate.
The three primary colors of each pixel can achieve 256 machine brightness display, completing a full true color display of 16,777,216 colors. The port scanning frequency is 2KHz/s. The transmission distance between any two points does not exceed 5 meters without adding any signal amplification circuit. When the refresh rate is 30 frames/second, the number of cascades is not less than 1024 points. The data speed can reach 800Kbps.
The light has strong color consistency, consistent light color and no voltage drop, and is cost-effective.
The WS2815 LED Strip Light is fully compatible with the controller of the 2812 LED Strip Light. It has the function of resuming the transmission (a broken pixel will not affect the correct use of other lights), does not affect the overall effect, and the installation of the power supply reversely will not affect the light. damage. The light strip has small voltage drop, low power consumption and consistent light color display.
Compared with other 5V light strips, the WS2815 Addressable 12V light strip displays consistent light color from start to end, small voltage drop, low power consumption, and has the functions of single-point single control and breakpoint resume transmission. Even if a single pixel is damaged, the overall color display will not be affected.
LEDODM Lighting is a leading Chinese manufacturer of addressable LED strips. Our products are manufactured in dust-free and high-tech plants under the watchful eye of expert technicians and engineers.
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