36-channel multi-function LED staircase controller with two sensors, which can drive 2 kinds of LED strips, one is a strip that supports a single-line chip via SPI, such as general-purpose 1903, 1812, 16703 WS2811 and other full-color pixel LED lights, the control system is in the lower left corner of D01, GND, DO2, and GND have two parallel output terminals, which can be connected to the left and right sides of the staircase light. The output terminals on both sides of the controller are 36 monochromatic light strips , The number of light strips is adjustable, the function setting of the sensor controller is selected by the button, and the setting is displayed by the left 4-digit digital tube. ◆Important Note: The positive and negative poles of the power input of the controller cannot be reversed, the red line V+ is connected to the positive pole of the switching power supply, and the blue (or black) V- is connected Turn off the negative pole of the power supply.