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Note: It is not a controller. It should work with the controller together. Can not support 4-pin or 5-pin LED strip. This SPI signal amplifier is compatible with all kinds of 5V-TTL signals. It receives one signal and simultaneously outputs 4/8 outputs signals. Each same can control the same quantity of LED pixels as the main controller. Work with all the addressable programmable LED strip controllers, like SP611E SP601E SP108E SP105E SP608E SP602E Arduino R3, Rasp Pi, ESP8266, K-1000C, etc.Multiple signal amplifiers can be cascaded together synchronously. Particularly suitable for small and medium dream color lighting projects.LED strip: WS2811 WS2812B WS2814 SK6812 16703 1903 6803 etc IC Chip fairy string light, LED strip, LED matrix, LED module, LED string.