8X8 LED DOT Matrix Module with MAX7219 ESP-MOD 180 Degree of freedom on

180 Degree of freedom on both axis

two general-purpose 32-bit timers

2 mm to 15 mm

Four pins are used to send data

and can even compensate 3 or 4 wire RTDs for better accuracy

8X8 LED DOT Matrix Module with MAX7219 ESP-MOD 180 Degree of freedom onWiring 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