led rgb driver 1.SPI (TTL) signal 2.for led strip,spotlighting LT-280 SPI LED RGB Driver SPI(TTL) Controllercan receive SPI (TTL) digital signals, widely used for controlling LED lights without driving chips, it makes the changing effects more vivid, and can realize RGB scanning, color chasing, animation, etc., the control channels and power can be expanded unlimitedly.Note:Besides receiving SPI( ...