Product Specifications: - Single module controls an 8x8 dot matrix, common cathode - Operating Voltage: 5V - Module Dimensions: 12.8 x 3.2 x 1.3 cm (L x W x H) - Equipped with 64 mounting holes; Hole Diameter: 3mm - Features both input and output interfaces, allows for cascading multiple modules Wiring Instructions: - The left side of the module serves as the input port, the right is the output port. - For single module control, connect the input port directly to the CPU. - For cascading multiple modules: Connect the CPU to the input of the first module, then connect the output of the first module to the input of the second module, and so forth. Example Connection: - VCC to 5V - GND to GND - DIN to P2.2 - CS to P2.1 - CLK to P2.0 Package Includes: - 5 x MAX7219 Dot Matrix Module - 5 x 5-pin Dupont Cable
