Mô Đun Matrix 8x8 Dot 4 In 1 Hiển Thị Max7219 5v Matrix Common Kèm 5 Dây Đèn Led

Feature: Fixing screws with 64 holes with a diameter 3mm Operating Voltage: 5V Type: A single module can drive a 8x8 dot matrix common cathode Dimensions: 12.8X12.8X1.3cm/ Packing: 1pc Dot Matrix Module Wiring Instructions: The left side of the module to the input port, the right to an output port When the control of a single module, simply input port connected to CPU When a plurality of cascaded modules, input and output termination CPU, an input terminal of the second output end of the first module a module, t he first two modules of the input terminal of the three termination modules, and so on... VCC 5V GND GND DIN P2.2 CS P2.1 CLK P2.0