8X8 LED DOT Matrix Module with MAX7219 Number of Displays:One The entire device includes a

The entire device includes a 150μA low-power shutdown mode

so you know exactly what happened when

Operating Temperature (°C) -40 to 125

Flyback diode to protect your microcontroller

8X8 LED DOT Matrix Module with MAX7219 Number of Displays:One The entire device includes aWiring 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