DEVMO MAX7219 Dot Matrix Display Module SingleChip Control LED Module DIY Kit Compatible with Arduino with 5pin Line

★1 single module can drive an 8 8 dot matrix common cathode., ★1 on the left block to an input port, an output port on the right., ★5 modules with input and output interfaces, support for cascading multiple modules., ★MAX7219 dot matrix display module, ★Module size : 5 cm X 3.2 cm wide X 1.5 cm high