8X8 LED DOT Matrix Module with MAX7219 Reflectance Sensor These terminal blocks are designed

These terminal blocks are designed to 'snap' together

The output shaft has a diameter of 2 mm

TOWERPRO MG90S

analog and digital brightness control

8X8 LED DOT Matrix Module with MAX7219 Reflectance Sensor These terminal blocks are designedWiring instructions: The left side of the module for the entrance door, the right of an exit door when the control of a single module, is sufficient input port connected per CPU When a plurality of modules in cascade, input and output CPU termination, an input terminal of the second output end of the first module of a module, t It has the first two modules of the input terminal of the three termination modules, and so on. LED color: Red, Green, Blue