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MAX7219 8x8 Dot Matrix Display Control Module for Arduino
Module parameter: 1. Single module can drive a 8x8 common matrix; 2. Module working voltage: 5V; 3. Module size: 3.2 cm x 3.2 cm x 1.3 cm; 4. With 4 fixed screw holes£¬ aperture 3mm; 5. module with input and output interface£¬ support for multiple modules; Great for Arduino projects DIY.