Microprocessor MAX7219 MCU Board Dot Matrix Module Arduino LED Display Drivers.

Module size: 5 cm long X 3.2 cm wide X 1.5 cm high. A single module can drive an 8x8 common cathode lattice. LED colour: Red.

Features:

• Equipped with four screw holes, aperture 3mm, for M3 Tongzhu fixed mounting.
• Operating voltage: 5V.
• Module includes input and output interfaces, supporting multiple module cascading.

Wiring instructions:

• The module's left side serves as the input port, and the right side serves as the output port.
• To control a single module, simply connect its input port to the CPU.
• For multiple module cascading: The input connects to the CPU, the output of one module connects to the input of the next module in the chain.

Island-wide delivery. Best price.